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Abra
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Cassis
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Castalina
Catinella
Caudiculatus
Cavolinia
Cellana
Cenchritis
Cepaea
Cephalopoda
Cerion
Cerithidea
Cerithideopsis
Cerithiopsis
Cerithium
Cernuella
cf. Euconulus
cf. Glyphyalinia
cf. Haplotrema
Chaetoderma
Chaetopleura
Chama
Chambardia
Chamberlainia
Cheilea
Chicoreus
Chione
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Chionopsis
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Clio
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Columbella
Colus
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Conus
Coralliophila
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Corbula
Cornu
Costoanachis
Cotonopsis
Crassadoma
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Cratena
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Cryptopecten
Ctenoides
Cucumerunio
Cumberlandia
Cumingia
Cuneopsis
Cyclinella
Cyclocardia
Cyclonaias
Cyclopecten
Cyclophorus
Cyclostremiscus
Cylichna
Cylichnella
Cymbiola
Cyphoma
Cyprogenia
Cyrtonaias
Cyrtopleura
Daedalochila
Decatopecten
Decoradrillia
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Dendrodoris
Dentalium
Dentimargo
Deroceras
Detracia
Diacavolinia
Diacria
Diaurora
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Disconaias
Discus
Distorsio
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Donax
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Doris
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Dosinia
Doto
Dreissena
Dromus
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Echinolittorina
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Elachisina
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Engina
Ensidens
Ensis
Entemnotrochus
Entodesma
Epioblasma
Epitonium
Equichlamys
Ergaea
Erodona
Ervilia
Etheria
Euchelus
Euchemotrema
Euconulus
Eudolium
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Eulima
Eulimidae
Eulimostraca
Eupera
Eupleura
Eurynia
Eurytellina
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Fasciolaria
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Floridobia
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Friersonia
Fulgoraria
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Fulvia
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Fusconaia
Fusinus
Gaeotis
Galatea
Galba
Galeodea
Gastrocopta
Gastrodonta
Gastropoda
Geloina
Gemma
Gemophos
Geukensia
Gibberula
Gibberulus
Gibbosula
Gillia
Glauconome
Glebula
Globivenus
Gloripallium
Glossus
Glycymeris
Glyphostoma
Glyphoturris
Glyphyalinia
Gongylostomella
Gonidea
Gouldia
Granulina
Gregariella
Guppya
Gymnobela
Gyraulus
Gyroscala
Gyrotoma
Haliotis
Haminella
Hamiota
Haplotrema
Harmandia
Harpa
Harpago
Hawaiia
Hebetancylus
Helicella
Helicodiscus
Heliconoides
Helicostyla
Helisoma
Helminthoglypta
Hemiliostraca
Hemistena
Hemitrochus
Hemphillia
Hendersonia
Hespererato
Hesperisternia
Heteranomia
Heterodonax
Heterogen
Hexaplex
Hiatella
Hipponix
Hyalocylis
Hydrobiidae
Hyotissa
Hyridella
Hyriopsis
Illex
Ilyanassa
Indochinella
Indonaia
Inflectarius
Inodrillia
Inversidens
Inversunio
Io
Ischadium
Ischnochiton
Isognomon
Janthina
Japonactaeon
Jouannetia
Juga
Kalolophus
Katharina
Kellia
Koreosolenaia
Kurtziella
Lacuna
Ladislavella
Laevapex
Laevicardium
Lamellaria
Lamellaxis
Lamellidens
Lampasopsis
Lamprotula
Lampsilis
Lamychaena
Lanceolaria
Lanistes
Lanx
Lasaeidae
Lasmigona
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Learchia
Leguminaia
Lehmannia
Leidyula
Leila
Leiosolenus
Lemiox
Leoparreysia
Lepidodesma
Leptochiton
Leptodea
Leptopecten
Leptoxis
Lepyrium
Leucozonia
Ligumia
Liguus
Limacina
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Limaria
Limatula
Limax
Limea
Limecola
Limnoperna
Limopsis
Liolophura
Lioplax
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Lissachatina
Lithasia
Lithophaga
Lithopoma
Litiopa
Littoraria
Littoridinops
Littorina
Lobatus
Lobosculum
Loliginidae
Lolliguncula
Longchaeus
Lopha
Lottia
Lucina
Lucinoma
Lunarca
Lymnaea
Lyogyrus
Lyonsia
Macoploma
Macrocallista
Macrocypraea
Macromphalina
Macrostrombus
Malletia
Margarites
Margaritifera
Marginellidae
Marinula
Marisa
Marshallora
Marstonia
Martesia
Medionidus
Megalobulimus
Megalomastoma
Megalonaias
Megapallifera
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Mekongia
Melampus
Melanella
Melania
Melanoides
Melanopsis
Melo
Melongena
Melonis
Menetus
Mercenaria
Mesanella
Mesodon
Mesomphix
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Micrarionta
Microcardium
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Micromenetus
Milax
Millerelix
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Mitra
Mitrella
Modiolus
Modulus
Mollusca
Monadenia
Monocondylaea
Monodontina
Monoplex
Mopalia
Mulinia
Mulleria
Murex
Muricidae
Musculium
Musculus
Mutela
Mya
Mycetopoda
Mytilidae
Mytilopsis
Mytilus
Naria
Nassa
Nassarina
Nassarius
Nassodonta
Natica
Naticarius
Nautilus
Nebularia
Nenia
Neocorbicula
Neodrillia
Neohelix
Neoterebra
Neotiara
Neotrigonia
Nephronaias
Neripteron
Nerita
Neritina
Neritodryas
Neverita
Niso
Nitia
Niveria
Nodilittorina
Nodipecten
Nodularia
Noetia
Notogillia
Nucella
Nucinella
Nucula
Nuculana
Nyassunio
Nyeinchanconcha
Obliquaria
Obovalis
Obovaria
Octopoda
Octopus
Odostomia
Oligyra
Oliva
Olivella
Onustus
Oocorys
Opeas
Oreohelix
Orthalicus
Ostodes
Ostrea
Ovatella
Oxychilus
Oxyloma
Oxynaia
Pachychilus
Pallifera
Paludomus
Pandora
Panopea
Papuina
Papyridea
Paradentalium
Paravitrea
Parreysia
Parvanachis
Parvasolenaia
Parvaspina
Parvilucina
Parvithracia
Parviturboides
Patera
Paxyodon
Pecten
Pectinidae
Pedipes
Pegias
Peracle
Periploma
Perna
Petaloconchus
Petricolaria
Phasianella
Philomycidae
Philomycus
Phlyctiderma
Pholas
Phrontis
Phyllodina
Phyllonotus
Physa
Physella
Physunio
Pila
Pilsbryna
Pilsbryoconcha
Pilsbryspira
Pinctada
Pinna
Pinnidae
Pisania
Pisidium
Pitar
Placopecten
Placuna
Planorbarius
Planorbella
Planorbidae
Planorbis
Planorbula
Plectodon
Plectomerus
Pleidon
Plethobasus
Pletholophus
Pleurobema
Pleurobranchaea
Pleurocera
Pleuroceridae
Pleurodonte
Pleurolucina
Pleuromeris
Pleuronaia
Pleurotomella
Plicatula
Pododesmus
Polinices
Polycera
Polydontes
Polygyra
Polygyridae
Polymesoda
Polymita
Polyschides
Polystira
Pomacea
Pomatiopsis
Pomella
Popenaias
Poromya
Posostrea
Potamida
Potamilus
Potamopyrgus
Praticolella
Pressidens
Prisodon
Pristiloma
Promenetus
Pronodularia
Prophysaon
Protunio
Prunum
Pseudanodonta
Pseudobaphia
Pseudochama
Pseudodon
Pseudodontoides
Pseudodontopsis
Pseudomulleria
Pseudosuccinea
Pseudovertagus
Pseudunio
Psoronaias
Pteria
Pteromeris
Ptychobranchus
Ptychorhynchus
Punctum
Pupillidae
Pupoides
Pyganodon
Pyramidella
Pyrazus
Pyrgophorus
Pyrgulopsis
Pythia
Pythinella
Quadrula
Rabdotus
Radiatula
Radix
Raeta
Rangia
Rapana
Rectidens
Reginaia
Retidrillia
Retilaskeya
Retinella
Rhipidodonta
Rhodacmea
Rhyssoplax
Rhytida
Ringicula
Rocellaria
Rubellatoma
Rumina
Samoana
Scabies
Scaeochlamys
Scaphander
Scaphella
Scaphula
Schepmania
Schistodesmus
Scyllaea
Seila
Semele
Semelina
Semicassis
Semirossia
Semisulcospira
Senegona
Sepiola
Septaria
Serratina
Siliqua
Siliquaria
Similipecten
Simnialena
Simpsonaias
Sinanodonta
Sinistrofulgur
Sinohyriopsis
Sinomytilus
Sinotaia
Sinum
Siphonaria
Siratus
Smaragdia
Solariella
Solemya
Solen
Solenaia
Somatogyrus
Spathochlamys
Spengleria
Sphaeriidae
Sphaerium
Spilochlamys
Spirula
Spisula
Spondylus
Stagnicola
Stenomelania
Stenoplax
Stenotrema
Sthenoteuthis
Stramonita
Strigilla
Strobilops
Strombiformis
Strombus
Strophitus
Stylommatophora
Subulina
Succinea
Sundadontina
Suturoglypta
Sydaphera
Tagelus
Tarebia
Tectonatica
Tectura
Tegula
Tellidora
Tellina
Tellinella
Telodiacria
Terebra
Teredo
Testudinalia
Teuthoidea
Thatcheria
Theba
Theliderma
Theodoxis
Thersites
Theta
Thiara
Thysanoteuthis
Tonna
Toxolasma
Trachycardium
Transennella
Trapezidens
Trapezoideus
Tremoctopus
Tresus
Tridacna
Trigonulina
Triodopsis
Triplodon
Triplofusus
Tritogonia
Tritonicula
Tritonoharpa
Trivia
Trochidae
Trochoita
Trochonanina
Trochus
Truncilla
Tryonia
Tucetona
Tulotoma
Turbo
Turbonilla
Turridae
Turritella
Tympanotus
Unbonium
Unio
Uniomerus
Unionicola
Unionicolidae
Unionidae
Urosalpinx
Utterbackia
Utterbackiana
Valvata
Varicorbula
Vasum
Velesunio
Ventridens
Venustaconcha
Vermicularia
Vertigo
Vespericola
Vexillum
Viana
Villosa
Vitreolina
Vitricythara
Vitrina
Vitrinizonites
Vitta
Vittina
Viviparidae
Viviparus
Vokesimurex
Volva
Volvarina
Volvulella
Vorticifex
Westralunio
Williamia
Xenophora
Xerarionta
Xerocerastus
Xolotrema
Ylistrum
Yoldia
Zachrysia
Zacoleus
Zonitidae
Zonitoides
Zoogenetes
Subgenus
Amerigo
Anodontinatax
Bentosites
Doryteuthis
Iridinicola
Kovietsatax
Lolliguncula
Sphaerospira
Strophiops
Umbonis
Unionicola
Wolcottatax
species
'Form D'
abbreviatus
aberti
abrupta
abyssinicus
acerra
acicula
acropora
aculeata
aculeatus
acuminata
acuta
acutangula
acutissimus
acutus
adamsi
adamsii
adansonianus
adversarius
aegagropila
aeglees
aegyptiaca
aeneolus
aeneus
aequalis
aequicostata
aequistriata
aeruginosa
aethiopicus
agarhecta
agilis
aguayoi
ahenea
ahjumawi
ahlstedti
aila
alabama
alabamensis
alata
alatus
alba
albanyensis
albicans
albida
albidum
albilabris
albolabris
albonodosa
albus
alcoviensis
alternata
alternatus
altilis
altispira
aluco
alveare
ambigua
ambiguus
ameghini
americana
americanum
americanus
amnicum
amphichaenus
amphiurgus
ampla
ampullacea
amygdalum
anabathrum
anatina
anatolica
anceps
ancillaria
andrewsae
angasi
angelicae
angulata
angulatum
angustata
annettae
annulifera
anomioides
anserinus
anteridon
anthonyi
antillarum
antipodarum
antiquatus
anurus
apalachicola
apicinum
apiculata
apiculatum
appendiculatus
appressa
arachnoidea
arata
arboreus
arca
arcaeformis
arcellus
arctata
arctica
arcuata
arcula
arenaria
arga
argenteus
argo
aristatus
arkansasensis
arkansensis
armigera
artbogani
aspersum
ater
aterina
athearni
atlantica
atrata
atratum
atratus
atropurpurea
attenuatum
aucklandicus
aulanier
aurea
aureocincta
aureola
auricincta
auricinctus
auricularia
auricularius
auriculata
aurisjudae
aurismidae
auritulus
aurorea
australis
avara
avena
aztecoram
bairdii
bakeri
balloti
balthica
banggiangensis
baniensis
barbarae
barbatum
barbigerum
barnesiana
barrattiana
baudoui
bayeri
beauii
bednalli
bellacrenata
bellastriata
bellulum
benedicti
beringiana
berlandieriana
bialata
bicarinata
bicolor
biconica
bidentata
bidentatus
biemarginata
bifasciata
bifrons
bilineatus
bilirata
binneyana
binominata
bisulcatus
bitruncata
bituminata
bivattata
blandianum
bogani
bonamicus
bonellii
bonneaudi
borbonica
borealis
bottimeri
boykiniana
brandti
brasiliana
brasiliense
brevidens
brevifrons
brevis
briareus
bridgesi
brittsi
broderipii
bronniana
bryanti
bugensis
bulbosa
bulimoides
bullaoides
bullula
burchardi
burchelli
burchi
burkei
butleri
caballensis
cabritii
caelatum
caelatura
caerulea
caffra
cahawbensis
caldwellii
californica
californicus
callifer
cambodgensis
cambodjensis
camelus
campanulata
campechiensis
campestris
campi
canaliculata
canaliculatus
cancellata
cancellatus
candeanus
candei
candida
canefrii
canrena
capax
caperata
capillaris
capitatus
capsaeformis
capsella
cardium
caribaea
carica
carinata
carinatus
carinifera
carinocostata
cariosa
carocolla
carolinensis
caroliniana
carolinianum
carolinianus
caroliniense
carteri
casablancae
casertanum
castanea
castrensis
cataracta
catascopium
catemacensis
catenaria
catenoides
caudata
caudiculatus
caveata
cayenensis
cecillei
cellulosa
celtiformis
centralis
cerea
cereolus
cerina
cerinoideus
cervus
cf. abrupta
cf. affinis
cf. angustata
cf. arboreus
cf. arcellus
cf. bairdii
cf. barnesiana
cf. bhamoensis
cf. bryanti
cf. burmana
cf. caelatura
cf. capnodes
cf. capsella
cf. carinifera
cf. carinocostata
cf. carolinianus
cf. chariessa
cf. chersinus
cf. chittyana
cf. cockerelli
cf. coelaxis
cf. complanata
cf. coromandeliana
cf. corvunculus
cf. cumberlandiana
cf. decussatus
cf. demissus
cf. depressus
cf. diversa
cf. dorsalis
cf. downiei
cf. dubia
cf. ebenum
cf. fabale
cf. fasciatus
cf. fibuloides
cf. flexuolaris
cf. georgianum
cf. georgianus
cf. gularis
cf. gyrina
cf. hanleyianum
cf. hemphilli
cf. hydiana
cf. icterina
cf. indentata
cf. inornatus
cf. inoscularis
cf. kennerlyi
cf. lacustris
cf. laeve
cf. lewisii
cf. ligera
cf. lividum
cf. luticola
cf. marsupiobesa
cf. modesta
cf. nebulosa
cf. normalis
cf. nuttalliana
cf. occulta
cf. ocellata
cf. oregonensis
cf. parallelus
cf. partumeium
cf. parvum
cf. paupercula
cf. perlaevis
cf. pilsbryi
cf. placentula
cf. procera
cf. producta
cf. proxima
cf. pullata
cf. radiata/splendida
cf. retusum
cf. roanokensis
cf. rubrum
cf. rugeli
cf. rugosula
cf. satura
cf. scalaris
cf. solemi
cf. subfuscus
cf. suppressus
cf. taeniata
cf. togatus
cf. triodontoides
cf. umbilicata
cf. venustus
cf. vermeta
cf. vulgata
cf. waccamawensis
chaceana
chakasahaense
championi
charruana
charruanus
chazaliei
chersinus
chica
chilhoweensis
chilinoides
chinensis
chipolaensis
chiragra
choctawensis
choctawhatchensis
christyi
chrysalis
chunii
cicatricosus
ciliata
cincinnatiensis
cinerea
circumscriptus
circumstriatus
cisalpina
cistellaeformis
clara
clarki
clathrata
clausa
clausus
clava
clavaeformis
clavulinum
clingmani
clipeata
coarctatum
coaxans
cochliaris
cockerelli
coelaxis
coffea
cohuttense
collina
collisella
columbensis
columbiana
columbianus
columella
columellaris
colymbus
commutatus
compactus
complanata
compressa
compressum
concava
concavum
concentrica
concha
conchyliophora
confragosus
congaraea
congica
congregata
conica
connasaugaensis
conoidea
conradicus
conradina
consobrina
conspicua
constricta
contracta
contradens
contrarium
conventus
convexa
cooperianus
coosaensis
copanensis
cor
coralliophaga
cordatum
corinnae
corneum
corneus
cornuarietis
cornuta
corona
coronatus
corpulenta
corrianus
corrugata
corrugatus
corvunculus
corvus
costata
costatus
costellata
couperiana
coyensis
cragini
crassa
crassicostata
crassidens
crassulum
crassus
crebristriatus
crenatella
crenella
crenulata
crispata
cristagalli
cristata
cristella
crocata
croceum
crosseanum
cruciatum
cryptomphala
cubensis
cumberlandiana
cumingiana
cumingii
cummingii
cuneata
cuneiformis
cuneolus
cupreus
curreyana
currierianus
curta
curtisii
curvicostata
cuspidata
cyclostoma
cyclostomaformis
cydia
cygnea
cylindaceus
cylindracea
cylindrellus
cylindrica
cyphyus
dahurica
dalli
dalyi
danielsi
dariensis
daucus
dealbatus
decampi
decentus
decisum
decisus
declivis
decollata
decorata
decussata
decussatus
deflectus
delaportei
delessertii
delodontus
delphinulus
delphinus
delumbis
demissa
demissus
denotatum
dentatus
dentifera
depressa
depressus
desowitzi
diaphanus
dickinsoni
dietziana
diffusa
digitalis
dilatata
dilatatus
dimocki
directus
discus
dislocata
distincta
diversa
diversicolor
divesta
divisus
dolabelloides
dolabraeformis
dombeyanus
domingensis
donaciformis
donovani
doolyensis
dorfeuilliana
dorisum
dormani
dorri
dorsalis
douglasiae
downianus
downiei
drapeta
dromas
dubia
dubium
dupetithouarsii
duplicata
durrovensis
duryi
duttoniana
dysonii
ebeninus
ebenum
ebenus
eboreum
eboreus
eburneum
ecclesi
echinus
edgariana
edulis
edvardsi
egmontianum
elata
elatior
elegans
elevatus
elliotti
elliottii
ellipsiformis
elliptica
elodes
elongata
elongatulus
elongatus
elsae
emarginata
emersonii
equestris
equilaterale
erosus
escambia
esula
etowaensis
eucosmium
eucosmius
eucylindrica
eucymata
euglyptum
euphraticus
euscaphys
eutoboptuoulus
exacuous
exanthematicus
exarata
excellceus
excellens
excentricus
excisum
exiguum
exile
exilis
eximea
exodon
exolescens
exoleta
expansa
expansus
exustus
fabale
fabalis
fabula
falcata
fallax
fargoi
farreri
fasciata
fasciatum
fasciatus
fascinans
fasciola
fasciolaris
fatigiata
favidens
favillaceus
felis
felix
fergusoni
ferrissi
ferrugineum
ferussacianus
fibrosa
ficus
fidelis
filholi
filosa
fimbriata
fisheriana
flagellata
flava
flavus
flexuolaris
flexuosa
floralia
florentina
floridana
floridense
floridensis
florifer
fluminea
fluvialis
fluviatilis
folliculata
foremani
foremanianus
foremanii
fornicata
fortunei
fosteri
foucauldianus
fragilis
fragosa
frankhuberi
frankkohleri
fraseri
fraterna
fraternum
fraudulenta
friabilis
fruhstorferi
fulcherriana
fulciden
fulgens
fulica
fulminatus
fultoni
fulvescens
fumata
funebralis
fusca
fuscatus
fuscus
gabbii
gagates
galea
gavisa
gemma
gemmatum
generosus
geniculata
geniculum
georgianum
georgianus
gibber
gibbera
gibberulus
gibbosa
gibbosum
gibbus
gigantea
giganteus
gigas
glaber
glabrata
gladiola
glaphyrus
globosa
globosus
gloriosa
glypta
goascoranensis
gonostoma
goodrichi
gouldi
gouldiana
gracilis
gradata
grandis
granifera
granosus
granulata
granulatus
grata
grayana
grayii
greenii
grus
guanarensis
gubernaculum
gubernatoria
gularis
guppyi
gustaviana
guttatum
gyrina
haddletoni
haemastoma
hainesiana
hanleyianum
hargeri
harmandi
harpa
hartfieldorum
hartmaniana
hastata
havanensis
hawaiiensis
haysiana
heardi
heckerae
helena
hembeli
hemphilli
hendersoni
henkleyi
henriettae
henslowanum
heros
heterodon
heterostropha
heudei
hians
higginsii
hinkleyi
hippocrepis
hirsutum
holstonia
honglinhensis
hopetonensis
hortensis
hotessieriana
houstonensis
huberi
hubrichti
hudsonicus
hueti
humasus
humile
humilis
hummi
humphreysii
hunganhi
hunteria
hyalina
hydei
hydeii
hydiana
hylaeus
icterina
idahoense
idahoensis
illecebrosus
imbecillis
imbricata
imperator
implicata
impressa
impura
incanum
incerta
inconspicua
incurta
indentata
inflata
inflatus
inflectus
infucata
infundibulum
ingallsianus
inornatus
intapurpurea
integra
intercalata
intercisa
intermedia
intermedius
interna
interrupta
interruptus
intertextus
interveniens
intorta
intrapurpurea
iontha
iostoma
iravadica
iredella
iridinea
iris
irradians
irregularis
irrorata
islandica
jacksoni
jacobaeus
janeirensis
janthina
japanensis
japonica
japonicum
jaspidea
jayana
jayensis
jessica
johnsoni
jokohamensis
jonesi
jordani
joubini
jourdyi
juliae
juxtidens
kayinensis
kellettii
kennerlyi
kieneriana
klaarwateri
kleiniana
kletti
knorrii
krebsii
kunenensis
labillardierei
labrosum
labyrinthicus
lachryma
lactea
lacteodens
lacteus
lacunella
lacustre
lacustris
laeta
laeve
laevigata
laevigatum
laevior
laevis
lafresnayi
lamarckii
lamellatus
lampreyanus
lanceolata
languilati
lansingi
laosensis
lapidaria
lapillus
laqueata
laqueatum
largillierti
lata
lateralis
latiauratus
latilirata
latiriforme
latissimum
latissimus
lavalleeana
lawae
leachii
leai
leana
leanum
lecontiana
legrandi
legumen
lemeslei
lempensis
lenior
lenya
lenyanensis
leopardus
leporina
leptodon
lesueurii
lettrei
leucocyma
leucophaeata
levicula
leviculus
lewisi
lewisii
libertina
lienosa
ligamentina
ligera
likharevi
lilljeborgi
lima
limatula
limatulum
limonitella
limosa
limosus
limum
lineata
lineolata
linguaefelis
lingulatus
lioderma
lioica
lirata
listeri
litteratum
litteratus
littoralis
littorea
livescens
livida
lividum
lividus
longirostris
longleyi
lubrica
lubricella
lunata
lunsfordensis
lunulata
luteola
luteostoma
luticola
lutosum
lycicus
lydigiana
macerophylla
macgillivrayi
macrodon
macropus
mactroides
maculata
maculatum
maculatus
maculiferous
madagascariensis
magellanicus
magnifica
magnificus
magnifumosum
major
maltbiana
mancus
mandalayensis
manueli
maoionsis
margaritacea
margaritifera
marginalis
marginata
marginatus
marginella
marinduquensis
marmoratus
marocana
marrianae
marshalli
marsupiobesa
marteli
martensi
martinezi
masoni
maugeriae
mawae
maximus
mazatlanica
mcgintyi
mcmichaeli
mcneili
media
megasoma
megastoma
melanocheila
melanoides
melanostoma
mentiens
menziesi
mercatoria
mercenaria
messageri
messana
metaformis
metallica
metanevra
metastriata
metria
mexicana
mica
micheloti
microstriata
milium
minima
minuana
minuscula
minusculus
minuta
minutissimum
mirabilis
misoolensis
mitchelli
mitchellianus
mitra
modesta
modicella
modioliformis
modiolus
modulus
monacha
moniliferum
monochroa
monodonta
monroensis
mooreana
mordax
moreleti
moreletiona
morrhuanus
morseana
mortoni
mortonianus
mortonicus
moseri
mossambiensis
mouhoti
multangula
multangulus
multifarius
multilineatus
multiplicata
multistriatus
murchisoniana
muricatum
muricatus
murrayensis
mus
muscarum
muscosa
muscosus
mutabilis
mutica
nanus
nassa
nassula
nasuta
natalensis
navalis
nebulosa
necki
neglecta
neislerii
nemoralis
neritiniformis
neritoides
nervosa
nesemanni
nevadensis
newberryi
newcombi
nickliniana
nicobaricus
nieuwenhuisi
nigella
niger
nigrimontanus
nigrina
nigrocincta
nigrolineata
niloticus
nimbosa
nitens
nitidum
nitidus
nivosa
nobilis
nodata
nodosus
nodulata
nodulosa
noetlingi
normalis
notabilis
notius
novaehollandiae
novaezelandiae
novileonis
nsenrweensis
nubila
nucleus
nuculoides
nuttalli
nuttalliana
nuxpersicae
nyassaensis
nyassensis
nyeinchani
obesa
obliquata
obliquus
oblongus
obovata
obrussa
obscura
obsoleta
obstrictum
obstructa
obtusata
obtusus
occata
occidentale
occidentalis
occulta
ochracea
ocoae
octana
octona
ogmorhaphe
ohiensis
oleivorus
oliva
olivacea
olivaceus
olivaria
olivula
omiensis
opaca
operculata
orbella
orbiculata
oregonensis
orestes
ornata
ornatissima
ortmanni
othcaloogensis
oualaniensis
ovalis
ovata
oviforme
ovoides
ovuliformis
oxyrhyncha
ozarkensis
pachynotum
pacifica
pacificus
pagoda
paivae
pallida
pallidula
pallium
paludosa
palustris
pan
panamensis
panhai
pantherina
papillosa
papillosus
papyraceum
papyria
paraguayona
parallelopipedon
parallelus
parasitica
parkeri
parthenopeus
parthenum
partumeium
parva
parvulus
parvum
parvus
patagonicus
patella
patelloides
patula
patuloides
patulus
paulum
paupercula
pealeii
pectinata
pectorosa
peggyae
pelagica
pellucida
peloponensis
peloronta
pendula
penicillatus
peninsularis
penita
pennsylvanica
pensylvanica
pentagonalis
pentodon
peraeformis
peramabile
percompressa
peregrina
perigrapta
perlaevis
permollis
perobliqua
peronii
perovalis
perovatum
perplana
persimilis
personata
perspectivum
perspicua
perstriata
pertexta
perula
peruviana
perversum
pespelecani
petrina
petrosus
pfeifferiana
pfisteri
pharpa
phaselus
phenchooganjensis
philippii
phoebium
pholadiformis
phrygium
pianii
pica
picta
pictorum
pictum
pilata
pilearis
pilsbryi
pilula
pintado
pisana
pisciculus
pittieri
placenta
placentula
plana
planorbis
platyrachis
pleasii
plebeius
pleii
plenum
plexus
plicata
plicatastriata
plicatella
plicatulus
plicifera
pliciferoides
pliculosa
poica
polillensis
polita
politissima
polymorpha
pompiliodes
pomum
ponderosa
popei
porrecta
portei
postelliana
potosiensis
powellii
praecox
praemorsa
praerosa
prasinata
prevostianus
producta
proficua
profuga
profunda
pronophobus
propinqua
protea
protexta
provisoria
proxima
pruina
pteropus
pubescens
pugilis
pugio
pulchella
pulchra
pulchrum
pullata
pulligera
pullus
pumilum
punctata
punctatum
punctiferum
punctostriatus
punctulata
pupillus
pupoidea
purpurascens
purpuratus
purpurella
purpuriata
pusilla
pusio
pustuloides
pustulosa
pybasi
pygmaea
pygmaeus
pygula
pyramidalis
pyramidata
pyrenella
pyriforme
pyriformis
quadrangulosa
quadrasi
quadrata
quadridentata
quadrifissatus
quadrilirata
quadrisulcata
quadrula
quercina
quillingi
radiata
radiatus
radula
radulosa
rafinesqueana
rajahensis
rakhinensis
rangiana
raninus
rathbuni
raveneli
raveneliana
ravistellus
recta
recurva
recurvum
reeveiana
reflexa
refulgens
regina
regius
regulare
resupinatus
reticularis
reticulata
reticulatum
reticulatus
retusa
retusum
rheophilas
rhoadsi
rhombea
rhomboideum
rhombus
rhuacoicus
riddellii
rigida
rimosus
riparia
rivicola
rivoli
rivularis
roanensis
roanokensis
robusta
robustum
robustus
rochechouarti
roemeri
roissyana
rollei
roscidum
rosea
rostrata
rostratus
rotulata
rotundata
rotundatum
rotundatus
rubella
rubellum
rubens
ruber
rubidus
rubrum
rudis
rufescens
rufrogaster
rufum
rufus
rugatina
rugeli
rugirima
rugosa
rumphiana
rupicola
rustica
sagittatum
salebrosa
salwenianus
sanus
sapotilla
sargentiana
sarsi
sathon
satura
saxatilis
sayana
sayi
scaber
scabra
scalariformis
scalaris
scamnata
schlegelii
sculptilis
scutata
scutum
secreta
secticostata
securis
seddoni
semiasperum
semicarinata
semigranosus
seminalis
seminuda
semistriata
semmelincki
senegambiensis
sentis
septemvolva
sericea
serrata
serrei
sesirmensis
setifera
shepardiana
showalteri
showalterii
siamensis
sietmani
sikkimensis
silicula
siliquoidea
siliquosa
sima
similaris
simile
similis
simplex
simpsonianus
simsoni
sincera
sinensis
singleyana
sinistrum
sintoxia
sinuosa
sitgyensis
sloatianus
smithae
smithi
soelneri
solemi
soleniformis
solida
solidissima
solitaria
somboriensis
sowerbyana
sp.
sparsa
speciosus
spekeii
spengleriana
spicula
spillmanii
spinosa
spinosum
spirata
spirorbis
spirula
splendida
spurca
spurius
squamata
squamifera
squamosa
squamosus
squamula
stabilis
stagnalis
stapes
staphylophera
stearnsiana
stearnsii
stegaria
steinstansana
stelleri
stellifera
stenotrema
stentina
stephanensis
sterkii
stevensi
stewardsonii
stimpsoni
straminea
striata
striatinum
striatula
striatum
stricta
strigatus
strigillina
strigosa
striolatus
strodeanum
strongyloides
suavidica
subangulata
subcarinata
subclausa
subcrenata
subfuscus
subglosa
subnodosus
suborbicularis
suborbiculata
subpalliatus
subplanus
subpurpureus
subreniformia
subrostrata
subrotunda
substriatus
subtentus
subtruncatum
subvexus
subviridis
succinea
succissa
sulcata
sulculosa
sumatrensis
superbus
supinum
suppressus
suteri
suturalis
swiftiana
sybaritica
symmetrica
syracusanus
syrmatophrus
tabascoensis
taeniata
taitiana
taitianum
tampaensis
tampicoensis
tanintharyiensis
tanneri
tehuantepecensis
tenax
tenebricosus
tenera
tennesseensis
tenta
tentaculata
tenuipes
tenuis
terebra
teres
teretiuscula
terminalis
ternatanus
tessellata
testudinalis
testudinarius
tetralasmus
tetraschistus
texasiana
texasianus
texasiense
textile
thachi
thalassinus
theloides
thomae
thraciaeformis
thyroidus
tientsinensis
tigridis
tigrina
timor
tinctus
togakushiensis
togatus
tortuosa
torulosa
trabalis
translirata
transversa
transversalis
transversum
trapesialis
trapezeus
triangularis
triangulata
tricarinata
tridens
tridentata
triformis
trilineata
triquetra
trispinosa
trivittata
trivolvis
trochiformia
trochiformis
trochulus
troostensis
troostiana
truncata
tuberculata
tuberculatus
tudiculata
tulipa
tumbezensis
tumida
tumidus
tunicata
turbinella
turbiniformis
turgida
turgidula
uber
uberinus
umbilicaris
umbilicata
umbilicatus
umbrans
uncialis
unciferum
uncinata
undata
undatum
undosa
undulata
undulatus
unicolor
uniplicata
urceus
usnea
utahensis
valentiana
vanattai
vancouverense
vanhyningiana
vannostrandi
vanuxemensis
vanuxemiana
varia
variabile
variabilis
varians
variata
varicosa
varicus
variegata
varium
varius
vaughaniana
velum
venosa
ventricoa
ventricosa
ventricosum
ventricosus
venustus
vermeta
vermicularis
vernedei
verrillii
verrucosa
versicolor
vespertilio
vestita
vibex
viennaensis
villepinii
villosa
vincta
violaceus
virescens
virgata
virgatus
virginea
virginianum
virginica
virginicus
viridis
viridulum
viridulus
vitellus
viviparus
vondembuschianus
vulgaris
vulgata
vulgatum
vulgatus
vultuosa
waccamawensis
wahlbergi
walkeri
walshi
wandoense
warnerensis
warta
wernei
wetherbyi
weyersi
wheatleyi
wheeleri
whitneyi
williamsi
wilsonii
wolcotti
woodiana
wrighti
xanthochila
yanagawensis
yeti
ypsilophora
yucatecanum
zaletus
zebra
ziczac
subspecies
acuta
alabamensis
aliciae
amplicostatus
ampullacea
anatina
appressa
arachnoidea
arcuata
aspersum
aurea
batavus
battonensis
bollingi
bruguierianus
caelatura
caerulea
cahawbensis
cambodjensis
campechiensis
canaliculata
carica
castanea
catenaria
chaperi
chinensis
clarki
clavula
codenensis
concentricus
contradens
corneus
corona
costulata
crassus
dallesensis
depygis
dislocata
dubia
dugasti
dysoni
ebenum
echinus
elegans
eliceans
elliptica
ellipticus
excellens
exoticus
feae
fila
flagellata
florentiana
fraterna
fuliginosa
geniculata
georgiana
glaber
glaucus
gontieri
gravida
gyrina
hastata
heterostropha
histrica
infuscata
ingallsianus
intercedens
intertextus
irradians
kobeltianus
laqueata
latchfordi
latilabrum
leai
lecontiana
livescens
luteocella
malleatus
marginatus
mariae
microstoma
mirabilis
montanum
moriforme
mutata
nantahala
newberryi
nilotica
nobilis
nodosa
normalis
obovata
occidentale
pennsylvanica
pertexta
pinguis
plebius
pomilia
ponderosus
postelli
potosiensis
propinqua
purpurea
quadracincta
radula
riparius
salebrosa
sayi
showalteri
sordida
spinella
ssp.
stagnalis
stearnsiana
subcrenata
succinctus
susannae
tortum
trivolvis
tumidula
uncialis
undulata
varia
virgata
Common Name
Catalog Number
=
<
<=
>
>=
Previous Catalog Number
Continent/Ocean
Africa
Antarctica
Atlantic Ocean
Australia
Europe
Indian Ocean
North America
Pacific Ocean
South America
Southern Ocean
Ocean Subbasin
Adriatic Sea
Alboran Sea
Caribbean Sea
Coral Sea
Gulf of California
Gulf of Maine
Gulf of Mexico
Gulf of Saint Lawrence
Gulf of Tonkin
Irish Sea
Mediterranean Sea
Philippine Sea
Scotia Sea
Sea of Japan
South China Sea
Sulu Sea
Tasman Sea
Drainage
Abrek Basin / Abrek Basin
Admiralty Islands Minor Coastal (misc. creek tribs) / Admiralty Islands Minor Coastal (misc. creek tribs)
Alabama Minor Coastal / Mississippi Sound Basin / Mississippi Sound Basin
Alaska Peninsula-Aleutian Minor Coastal (misc. creek tribs) / Alaska Peninsula-Aleutian Minor Coastal (misc. creek tribs)
Alaska Peninsula-Aleutian Minor Coastal / Alaska Peninsula-Aleutian Minor Coastal
Albemarle Sound Basin (misc. creek tribs) / Albemarle Sound Basin (misc. creek tribs)
Albemarle Sound Basin / Alligator R. / Alligator R.
Albemarle Sound Basin / Chowan R. / Blackwater R.
Albemarle Sound Basin / Chowan R. / Chowan R.
Albemarle Sound Basin / Chowan R. / Meherrin R.
Albemarle Sound Basin / Chowan R. / Middle Meherrin R.
Albemarle Sound Basin / Chowan R. / North Meherrin R.
Albemarle Sound Basin / Chowan R. / Nottoway R.
Albemarle Sound Basin / Chowan R. / South Meherrin R.
Albemarle Sound Basin / Chowan R. / Wiccacon R.
Albemarle Sound Basin / North R. / North R.
Albemarle Sound Basin / Pasquotank R. / Pasquotank R.
Albemarle Sound Basin / Perquimans R. / Perquimans R.
Albemarle Sound Basin / Roanoke R. / Banister R.
Albemarle Sound Basin / Roanoke R. / Cashie R.
Albemarle Sound Basin / Roanoke R. / Dan R.
Albemarle Sound Basin / Roanoke R. / Falling R.
Albemarle Sound Basin / Roanoke R. / Hyco R.
Albemarle Sound Basin / Roanoke R. / Mayo R.
Albemarle Sound Basin / Roanoke R. / North Fork Roanoke R.
Albemarle Sound Basin / Roanoke R. / Roanoke R.
Albemarle Sound Basin / Roanoke R. / Smith R.
Albemarle Sound Basin / Roanoke R. / South Fork Roanoke R.
Albemarle Sound Basin / Scuppernong R. / Scuppernong R.
Albemarle Sound Basin / Yeopim R. / Yeopim R.
Altamaha Basin / Altamaha R. / Altamaha R.
Altamaha Basin / Ocmulgee R. / Little Ocmulgee R.
Altamaha Basin / Ocmulgee R. / Ocmulgee R.
Altamaha Basin / Ocmulgee R. / South R.
Altamaha Basin / Ocmulgee R. / Towaliga R.
Altamaha Basin / Ocmulgee R. / Yellow R.
Altamaha Basin / Oconee R. / Little R.
Altamaha Basin / Oconee R. / Oconee R.
Altamaha Basin / Ohoopee R. / Ohoopee R.
Amazon Basin / Amazon Basin
Amur Basin / Amur Basin
Apalachicola Basin / Apalachicola R. / Apalachicola R.
Apalachicola Basin / Chattahoochee R. / Chattahoochee R.
Apalachicola Basin / Chipola R. / Chipola R.
Apalachicola Basin / Flint R. / Chickasawhatchee Creek
Apalachicola Basin / Flint R. / Flint R.
Apalachicola Basin / Flint R. / Kinchafoonee Creek
Apalachicola Basin / Flint R. / Spring Creek
Apalachicola Basin / Florida R. / Florida R.
Aransas Bay Basin / Aransas R. / Aransas R.
Asi Basin / Asi Basin
Atchafalaya Basin / Atchafalaya R. / Atchafalaya R.
Atchafalaya Basin / Bayou Teche / Bayou Boeuf
Atchafalaya Basin / Red R. / Antoine R.
Atchafalaya Basin / Red R. / Bayou Bartholomew
Atchafalaya Basin / Red R. / Bayou Cocodrie
Atchafalaya Basin / Red R. / Bayou de Siard
Atchafalaya Basin / Red R. / Bayou Macon
Atchafalaya Basin / Red R. / Bayou Pierre
Atchafalaya Basin / Red R. / Bayou Rigolette
Atchafalaya Basin / Red R. / Black Bayou
Atchafalaya Basin / Red R. / Black R.
Atchafalaya Basin / Red R. / Caddo R.
Atchafalaya Basin / Red R. / Cossatot R.
Atchafalaya Basin / Red R. / Dugdemona R.
Atchafalaya Basin / Red R. / Glover R.
Atchafalaya Basin / Red R. / Kelly Bayou
Atchafalaya Basin / Red R. / Kiamichi R.
Atchafalaya Basin / Red R. / Little Cypress Creek
Atchafalaya Basin / Red R. / Little Missouri R.
Atchafalaya Basin / Red R. / Little R.
Atchafalaya Basin / Red R. / Little R.(OK)
Atchafalaya Basin / Red R. / Little Wichita R.
Atchafalaya Basin / Red R. / Middle Fork Saline R.
Atchafalaya Basin / Red R. / Mountain Fork Little R.
Atchafalaya Basin / Red R. / North Fork Saline R.
Atchafalaya Basin / Red R. / Ouachita R.
Atchafalaya Basin / Red R. / Pease R.
Atchafalaya Basin / Red R. / Red R.
Atchafalaya Basin / Red R. / Saline R.
Atchafalaya Basin / Red R. / South Fork Ouachita
Atchafalaya Basin / Red R. / South Fork Saline R.
Atchafalaya Basin / Red R. / Sulphur R.
Atchafalaya Basin / Red R. / Tensas R.
Atchafalaya Basin / Red R. / Wichita R.
Atchafalaya Basin / Red R. / Yanubbe R.
Atrato Basin / Atrato Basin
Aucilla Basin / Aucilla R. / Aucilla R.
Aucilla Basin / Wacissa R. / Wacissa R.
Auckland Islands Minor Coastal (misc. creek tribs) / Auckland Islands Minor Coastal (misc. creek tribs)
Ba Basin / Ba Basin
Bahia de Chetumal Basin / Bahia de Chetumal Basin
Bahia Minor Coastal / Bahia Minor Coastal
Baie de Gaspe Basin / Riviere Saint-Jean / Riviere Saint-Jean
Bangladesh Minor Coastal (misc. creek tribs) / Bangladesh Minor Coastal (misc. creek tribs)
Belgium Minor Coastal (misc. creek tribs) / Belgium Minor Coastal (misc. creek tribs)
Blackwood Basin / Blackwood Basin
Bolivia Endorheic Basins / Bolivia Endorheic Basins
Borneo Minor Coastal (misc. creek tribs) / Borneo Minor Coastal (misc. creek tribs)
Borneo Minor Coastal / Borneo Minor Coastal
Botswana Endorheic Basins / Botswana Endorheic Basins
Bou Regreg-Grou Basin / Bou Regreg-Grou Basin
Bougainville Island and Solomon Islands Minor Coastal (misc. creek tribs) / Bougainville Island and Solomon Islands Minor Coastal (misc. creek tribs)
Brazos Basin / Bosque R. / Bosque R.
Brazos Basin / Brazos R. / Brazos R.
Brazos Basin / Little Brazos R. / Little Brazos R.
British Columbia Minor Coastal (misc. creek tribs) / British Columbia Minor Coastal (misc. creek tribs)
Broad Basin / Broad R. / Broad R.
Broad Basin / Broad R. / Colleton R.
Broad Basin / Broad R. / Coosawhatchie R.
Bune-Drin Basin / Bune-Drin Basin
Calcasieu Lake Basin (misc. creek tribs) / Calcasieu Lake Basin (misc. creek tribs)
California Minor Coastal (misc. creek tribs) / California Minor Coastal (misc. creek tribs)
California Minor Coastal / Los Angeles R. / Los Angeles R.
California Minor Coastal / Mission Bay (creek tribs) / Mission Bay (creek tribs)
California Minor Coastal / San Dieguito R. / San Dieguito R.
Caloosahatchee Basin / Caloosahatcheee R. / Caloosahatcheee R.
Cambodia Minor Coastal (misc. creek tribs) / Cambodia Minor Coastal (misc. creek tribs)
Cape Fear Basin / Cape Fear R. / Black R.
Cape Fear Basin / Cape Fear R. / Cape Fear R.
Cape Fear Basin / Cape Fear R. / Deep R.
Cape Fear Basin / Cape Fear R. / East Fork Deep R.
Cape Fear Basin / Cape Fear R. / Haw R.
Cape Fear Basin / Cape Fear R. / Little R.
Cape Fear Basin / Cape Fear R. / Reedy Fork R.
Cape Fear Basin / Cape Fear R. / Rocky R.
Cape Fear Basin / Cape Fear R. / South R.
Cape Fear Basin / Cape Fear R. / Upper Little R.
Cape Fear Basin / Northeast Cape Fear R. / Northeast Cape Fear R.
Casco Bay Basin / Presumpscot R. / Presumpscot R.
Cau Basin / Cau Basin
Cazones Basin / Cazones Basin
Chang (Yangtze) Basin / Chang (Yangtze) Basin
Chao Phraya Basin / Chao Phraya R. / Chao Phraya R.
Chao Phraya Basin / Pa Sak R. / Pa Sak R.
Chao Phraya Basin / Ping R. / Ping R.
Chao Phraya Basin / Sakae Krang R. / Sakae Krang R.
Charente Basin / Charente Basin
Charles Basin / Charles R. / Charles R.
Charlotte Harbor Basin / Myakka R. / Myakka R.
Charlotte Harbor Basin / Peace R. / Peace R.
Chesapeake Bay Basin (misc. creek tribs) / Chesapeake Bay Basin (misc. creek tribs)
Chesapeake Bay Basin / Chester R. / Chester R.
Chesapeake Bay Basin / Choptank R. / Choptank R.
Chesapeake Bay Basin / Gunpowder R. / Gunpowder R.
Chesapeake Bay Basin / James R. / Appamattox R.
Chesapeake Bay Basin / James R. / Calfpasture R.
Chesapeake Bay Basin / James R. / Chickahominy R.
Chesapeake Bay Basin / James R. / Cowpasture R.
Chesapeake Bay Basin / James R. / Craig Creek
Chesapeake Bay Basin / James R. / Doyles R.
Chesapeake Bay Basin / James R. / Hardware R.
Chesapeake Bay Basin / James R. / Jackson R.
Chesapeake Bay Basin / James R. / James R.
Chesapeake Bay Basin / James R. / Maury R.
Chesapeake Bay Basin / James R. / Moormans R.
Chesapeake Bay Basin / James R. / North Fork Rivanna R.
Chesapeake Bay Basin / James R. / Pedlar R.
Chesapeake Bay Basin / James R. / Rivanna R.
Chesapeake Bay Basin / James R. / Rockfish R.
Chesapeake Bay Basin / James R. / South Fork Rivanna R.
Chesapeake Bay Basin / James R. / Tye R.
Chesapeake Bay Basin / Nanticoke R. / Nanticoke R.
Chesapeake Bay Basin / Patuxent R. / Patuxent R.
Chesapeake Bay Basin / Potomac R. / Cacapon R.
Chesapeake Bay Basin / Potomac R. / Middle R.
Chesapeake Bay Basin / Potomac R. / Monocacy R.
Chesapeake Bay Basin / Potomac R. / North Branch Potomac R.
Chesapeake Bay Basin / Potomac R. / North Fork Shenandoah R.
Chesapeake Bay Basin / Potomac R. / Occoquan R.
Chesapeake Bay Basin / Potomac R. / Potomac R.
Chesapeake Bay Basin / Potomac R. / Shenandoah R.
Chesapeake Bay Basin / Potomac R. / South Fork Shenandoah R.
Chesapeake Bay Basin / Rappahanock R. / Hazel R.
Chesapeake Bay Basin / Rappahanock R. / Rapidan R.
Chesapeake Bay Basin / Rappahanock R. / Rappahanock R.
Chesapeake Bay Basin / Susquehanna R. / Chenango R.
Chesapeake Bay Basin / Susquehanna R. / Cohocton
Chesapeake Bay Basin / Susquehanna R. / Juniata R.
Chesapeake Bay Basin / Susquehanna R. / Lackawanna R.
Chesapeake Bay Basin / Susquehanna R. / Raystown Branch Juniata R.
Chesapeake Bay Basin / Susquehanna R. / Susquehanna R.
Chesapeake Bay Basin / Susquehanna R. / West Branch Susquehanna R.
Chesapeake Bay Basin / York R. / Matta R.
Chesapeake Bay Basin / York R. / Mattaponi R.
Chesapeake Bay Basin / York R. / Pamunkey R.
Chesapeake Bay Basin / York R. / South Anna R.
Chiapas Minor Coastal (misc. creek tribs) / Chiapas Minor Coastal (misc. creek tribs)
Choctawhatchee Bay Basin (misc. creek tribs) / Choctawhatchee Bay Basin (misc. creek tribs)
Choctawhatchee Bay Basin / Choctawhatchee R. / Choctawhatchee R.
Choctawhatchee Bay Basin / East Fork Choctawhatchee R. / East Fork Choctawhatchee R.
Choctawhatchee Bay Basin / Little Choctawhatchee R. / Little Choctawhatchee R.
Choctawhatchee Bay Basin / Pea R. / Pea R.
Choctawhatchee Bay Basin / West Fork Choctawhatchee R. / West Fork Choctawhatchee R.
Colombia Caribbean Sea Minor Coastal (misc. creek tribs) / Colombia Caribbean Sea Minor Coastal (misc. creek tribs)
Colombia Endorheic Basins / Colombia Endorheic Basins
Colorado Basin / Colorado R. / Colorado R.
Colorado Basin / Gila R. / Salt R.
Colorado Basin / Green R. / Green R.
Colorado Basin / Gunnison R. / Cimarron R.
Columbia Basin / Canoe R. / Canoe R.
Columbia Basin / Columbia R. / Columbia R.
Columbia Basin / Deschutes R. / Dry R.
Columbia Basin / Grays R. / Grays R.
Columbia Basin / Kootenai R. / Tobacco R.
Columbia Basin / Kootenai R. / Yaak R.
Columbia Basin / Lewis R. / Lewis R.
Columbia Basin / Snake R. / Blackfoot R.
Columbia Basin / Snake R. / Burnt R.
Columbia Basin / Snake R. / Grande Ronde R.
Columbia Basin / Snake R. / Owyhee R.
Columbia Basin / Snake R. / Portneuf R.
Columbia Basin / Snake R. / Powder R.
Columbia Basin / Snake R. / Salmon Falls Creek
Columbia Basin / Snake R. / Snake R.
Columbia Basin / Spokane R. / Little Spokane R.
Columbia Basin / Spokane R. / Spokane R.
Columbia Basin / Wenatchee R. / Wenatchee R.
Columbia Basin / Willamette R. / Clackamas R.
Columbia Basin / Willamette R. / Marys R.
Columbia Basin / Willamette R. / McKenzie R.
Columbia Basin / Willamette R. / Willamette R.
Columbia Basin / Yakima R. / Naches R.
Columbia Basin / Yakima R. / Yakima R.
Congo Basin / Congo Basin
Connecticut Basin / Ashuelot R. / Ashuelot R.
Connecticut Basin / Chicopee R. / Chicopee R.
Connecticut Basin / Chicopee R. / Quaboag R.
Connecticut Basin / Chicopee R. / Sevenmile R.
Connecticut Basin / Connecticut R. / Connecticut R.
Connecticut Basin / Deerfield R. / Green R.
Connecticut Basin / Eightmile R. / Eightmile R.
Connecticut Basin / Fall R. / Fall R.
Connecticut Basin / Farmington R. / Farmington R.
Connecticut Basin / Farmington R. / West Branch Farmington R.
Connecticut Basin / Fort R. / Fort R.
Connecticut Basin / Mascoma R. / Mascoma R.
Connecticut Basin / Millers R. / Millers R.
Connecticut Basin / Mohawk R. / Mohawk R.
Connecticut Basin / Nulhegan R. / Clyde R.
Connecticut Basin / Scantic R. / Scantic R.
Connecticut Basin / Westfield R. / Swift R.
Connecticut Basin / Westfield R. / Westfield R.
Connecticut Minor Coastal (misc. creek tribs) / Connecticut Minor Coastal (misc. creek tribs)
Connecticut Minor Coastal / Branford R. / Branford R.
Connecticut Minor Coastal / East Haven R. / Farm R.
Connecticut Minor Coastal / Mianus R. / Mianus R.
Connecticut Minor Coastal / Oyster R. / Oyster R.
Connecticut Minor Coastal / Pawcatuck R. / Pawcatuck R.
Connecticut Minor Coastal / Pawcatuck R. / Shunock R.
Connecticut Minor Coastal / Pawcatuck R. / Wood R.
Cooper Basin / Cooper R. / Cooper R.
Corpus Christi Bay Basin / Corpus Christi Bay Basin
Corpus Christi Bay Basin / Nueces R. / Frio R.
Corpus Christi Bay Basin / Nueces R. / Nueces R.
Costa Rica Minor Coastal (Pacific) (misc. creek tribs) / Costa Rica Minor Coastal (Pacific) (misc. creek tribs)
Croatia Endorheic Basins / Croatia Endorheic Basins
Cuba-Isle of Pines Minor Coastal (misc. creek tribs) / Cuba-Isle of Pines Minor Coastal (misc. creek tribs)
Danube Basin / Danube R. / Danube R.
Delaware Bay Basin (misc. creek tribs) / Delaware Bay Basin (misc. creek tribs)
Delaware Bay Basin / Delaware R. / Cooper R.
Delaware Bay Basin / Delaware R. / Delaware R.
Delaware Bay Basin / Delaware R. / Mongaup R.
Delaware Bay Basin / Delaware R. / Pequest R.
Delaware Bay Basin / Delaware R. / Salem R.
Delaware Bay Basin / Delaware R. / Schuylkill R.
Delaware Bay Basin / Delaware R. / Smyrna R.
Denmark Minor Coastal (misc. creek tribs) / Denmark Minor Coastal (misc. creek tribs)
Douro Basin / Douro R. / Douro R.
Douro Basin / Douro R. / Sabor R.
Douro Basin / Douro R. / Tuela R.
East Bay Basin / Yellow R. / Shoal R.
East Bay Basin / Yellow R. / Yellow R.
Eastern Cape Minor Coastal (misc. creek tribs) / Eastern Cape Minor Coastal (misc. creek tribs)
Ebro Basin / Ebro Basin
Econfina Basin / Econfina R. (E) / Econfina R. (E)
Ecuador Minor Coastal (misc. creek tribs) / Ecuador Minor Coastal (misc. creek tribs)
Eel Basin / Eel R. / Eel R.
Egypt Minor Red Sea Tributaries (misc creek tribs) / Egypt Minor Red Sea Tributaries (misc creek tribs)
El Salvador Minor Coastal (misc. creek tribs) / El Salvador Minor Coastal (misc. creek tribs)
Elbe Basin / Elbe Basin
Ems Basin / Ems Basin
England North Sea Minor Coastal (misc. creek tribs) / England North Sea Minor Coastal (misc. creek tribs)
England North Sea Minor Coastal / England North Sea Minor Coastal
Escambia Bay Basin / Escambia R. / Conecuh R.
Escambia Bay Basin / Escambia R. / Escambia R.
Escambia Bay Basin / Escambia R. / Patsaliga Creek
Escambia Bay Basin / Escambia R. / Sepulga R.
Espírito Santo Minor Coastal (misc. creek tribs) / Espirito Santo Minor Coastal (misc. creek tribs)
Everglades Basin / Everglades / Everglades
Everglades Basin / Lake Okeechobee / Kissimmee R.
Everglades Basin / Lake Okeechobee / Lake Okeechobee
Everglades Basin / Shark-Harney R. / Shark-Harney R.
Fitzroy (Queensland) Basin / Fitzroy (Queensland) Basin
Fitzroy (West Australia) Basin / Fitzroy (West Australia) Basin
Florida Minor Coastal (misc. creek tribs) / Florida Minor Coastal (misc. creek tribs)
Florida Minor Coastal / Anclote R. / Anclote R.
Florida Minor Coastal / Biscayne Bay Basin / Miami R.
Florida Minor Coastal / Cocohatchee R. / Cocohatchee R.
Florida Minor Coastal / Hillsboro R. / Hillsboro R.
Florida Minor Coastal / Indian R. (creek tribs) / Indian R. (creek tribs)
Florida Minor Coastal / Lake Worth Basin / Lake Worth Basin
Florida Minor Coastal / Loxahatchee R. / Loxahatchee R.
Florida Minor Coastal / Waccasassa R. / Waccasassa R.
Florida Minor Coastal / Waccasassa R. / Wekiva R.
Frenchman Bay Basin (misc. creek tribs) / Frenchman Bay Basin (misc. creek tribs)
Fujian Minor Coastal (misc. creek tribs) / Fujian Minor Coastal (misc. creek tribs)
Galveston Bay Basin (misc. creek tribs) / Galveston Bay Basin (misc. creek tribs)
Galveston Bay Basin / San Jacinto R. / San Jacinto R.
Galveston Bay Basin / San Jacinto R. / West Fork San Jacinto R.
Galveston Bay Basin / Trinity R. / Elm Fork Trinity R.
Galveston Bay Basin / Trinity R. / Trinity R.
Galveston Bay Basin / Trinity R. / West Fork Trinity R.
Ganges Basin / Ganges Basin
Georgia (USA) Minor Coastal (misc. creek tribs) / Georgia Minor Coastal (misc. creek tribs)
Germany Baltic Sea Minor Coastal (misc. creek tribs) / Germany Baltic Sea Minor Coastal (misc. creek tribs)
Germany Baltic Sea Minor Coastal / Germany Baltic Sea Minor Coastal
Germany North Sea Minor Coastal (misc. creek tribs) / Germany North Sea Minor Coastal (misc. creek tribs)
Golfo de San Miguel Basin / Rio Tuira / Rio Agua Fria
Golfo de San Miguel Basin / Rio Tuira / Rio Membrillo
Grand-White Lake Basin / Mermentau R. / Mermentau R.
Great Basin / Bonneville Basin / Bear R.
Great Basin / Bonneville Basin / East Fork Sevier R.
Great Basin / Bonneville Basin / Sevier R.
Great Basin / Bonneville Basin / Utah Lake Basin (lake & creek)
Great Basin / Lahontan Basin / Humboldt R.
Great Basin / Lahontan Basin / Lake Tahoe Basin (lake & creeks)
Great Basin / Lahontan Basin / Pyramid Lake Basin (lake & direct creek tribs)
Great Basin / Lahontan Basin / Susan R.
Great Basin / Lahontan Basin / Truckee R.
Great Basin / Lahontan Basin / Walker R.
Great Basin / Northwest Great Basin / Warner Valley Basin
Great Bay Basin (misc. creek tribs) / Great Bay Basin (misc. creek tribs)
Great Bay Basin / Mullica R. / Wading R.
Greece Aegean Sea Minor Coastal (misc. creek tribs) / Greece Aegean Sea Minor Coastal (misc. creek tribs)
Greek Mediterranean Sea Islands Minor Coastal (misc. creek tribs) / Greek Mediterranean Sea Islands Minor Coastal (misc. creek tribs)
Guadalquivir Basin / Guadalquivir Basin
Guadiana Basin / Guadiana Basin
Guangxi Minor Coastal (misc. creek tribs) / Guangxi Minor Coastal (misc. creek tribs)
Guatemala Minor Coastal (Pacific) (misc. creek tribs) / Guatemala Minor Coastal (Pacific) (misc. creek tribs)
Han Basin (Korea) / Han Basin (Korea)
Hawaiian Islands Minor Coastal (misc. creek tribs) / Hawaiian Islands Minor Coastal (misc. creek tribs)
Herbert Basin / Herbert Basin
Hong Basin (Red Basin) / Hong R. (Red R.) / Ca Lo R.
Hong Basin (Red Basin) / Hong R. (Red R.) / Day R.
Hong Basin (Red Basin) / Hong R. (Red R.) / Duong R. (Đuống R.)/Thiên Đức R.
Hong Basin (Red Basin) / Hong R. (Red R.) / Gam R.
Hong Basin (Red Basin) / Hong R. (Red R.) / Hong R. (Red R.)
Hong Basin (Red Basin) / Hong R. (Red R.) / Lô R. (Vietnam)/Panlong R. (China)
Hong Basin (Red Basin) / Hong R. (Red R.) / Lûm R.
Hong Basin (Red Basin) / Hong R. (Red R.) / Ngoi Ranh R.
Hong Basin (Red Basin) / Hong R. (Red R.) / Đà R. (Black R./Lixian R.-China)
Honshū Island Minor Coastal (misc. creek tribs) / Honshū Island Minor Coastal (misc. creek tribs)
Honshū Island Minor Coastal / Honshū Island Minor Coastal
Housatonic Basin / Halfway R. / Halfway R.
Housatonic Basin / Housatonic R. / Housatonic R.
Hudson Basin / Hudson R. / Hudson R.
Hudson Basin / Mohawk R. [Erie Canal] / Mohawk R. [Erie Canal]
Hudson Bay Basin (misc. creek tribs) / Hudson Bay Basin (misc. creek tribs)
Hudson Bay Basin / Churchill R. / Athabasca R.
Hudson Bay Basin / Churchill R. / Churchill R.
Hudson Bay Basin / Churchill R. / Slave R.
Hudson Bay Basin / Nelson R. / Assiniboine R.
Hudson Bay Basin / Nelson R. / Big Fork R.
Hudson Bay Basin / Nelson R. / Bow R.
Hudson Bay Basin / Nelson R. / Minnedosa R.
Hudson Bay Basin / Nelson R. / Nelson R.
Hudson Bay Basin / Nelson R. / Pelican R.
Hudson Bay Basin / Nelson R. / Qu'Appelle R.
Hudson Bay Basin / Nelson R. / Rainy R.
Hudson Bay Basin / Nelson R. / Saskatchewan R.
Hudson Bay Basin / Nelson R. / Warpath R.
Humber Basin / Humber Basin
Incomatti Basin (Komati R.) / Incomatti Basin
Indragiri Basin / Indragiri Basin
Indus Basin / Indus Basin
Ireland East Coast Minor Coastal (misc. creek tribs) / Ireland East Coast Minor Coastal (misc. creek tribs)
Irrawaddy Basin / Irrawaddy Basin
Isle Anticosti Minor Coastal (misc. creek tribs) / Isle Anticosti Minor Coastal (misc. creek tribs)
Isonzo Basin / Isonzo Basin
Israel-Jordan Endorheic Basins / Dead Sea / Jordan R.
Israel-Jordan Endorheic Basins / Dead Sea / Wadi el Fatir R.
Italy Adriatic Sea Minor Coastal (misc. creek tribs) / Italy Adriatic Sea Minor Coastal (misc. creek tribs)
Italy Mediterranean Minor Coastal (misc. creek tribs) / Italy Mediterranean Minor Coastal (misc. creek tribs)
Italy Mediterranean Minor Coastal / Italy Mediterranean Minor Coastal
Java Minor Coastal (misc. creek tribs) / Java Minor Coastal (misc. creek tribs)
Jelai Basin / Jelai Basin
Jiangsu Minor Coastal (misc. creek tribs) / Jiangsu Minor Coastal (misc. creek tribs)
Jiulong Basin / Jiulong Basin
Juan de Fuca-Georgia Strait Basin / Elwha R. / Elwha R.
Juan de Fuca-Georgia Strait Basin / Englishman R. / Englishman R.
Juan de Fuca-Georgia Strait Basin / Fraser R. / Pitt R.
Juan de Fuca-Georgia Strait Basin / Puget Sound Basin (creek tribs) / Puget Sound Basin (creek tribs)
Juan de Fuca-Georgia Strait Basin / Puget Sound Basin / Cedar R.
Juan de Fuca-Georgia Strait Basin / Puget Sound Basin / Lake Washington Basin (lake & creek tribs)
Juan de Fuca-Georgia Strait Basin / Puget Sound Basin / Stillaquamish R.
Kaliningrad Minor Coastal (misc. creek tribs) / Kaliningrad Minor Coastal (misc. creek tribs)
Kapuas Basin / Kapuas Basin
Kennebec Basin / Androscoggin R. / Androscoggin R.
Kennebec Basin / Androscoggin R. / Little Androscoggin R.
Kennebec Basin / Androscoggin R. / Nezinscot R.
Kennebec Basin / Carrabassett R. / Carrabassett R.
Kennebec Basin / Kennebec R. / Kennebec R.
Kennebec Basin / Moose R. / Moose R.
Kennebec Basin / Sebasticook R. / Sandy R.
Kennebec Basin / Sebasticook R. / Sebasticook R.
Klamath Basin / Klamath R. / Klamath R.
Klamath Basin / Upper Klamath Lake Basin (lakes & creeks) / Upper Klamath Lake Basin (lakes & creeks)
Klamath Basin / Upper Klamath Lake Basin / Sprague R.
Klamath Basin / Upper Klamath Lake Basin / Sycan R.
Klamath Basin / Upper Klamath Lake Basin / Williamson R.
Kola Basin / Kola Basin
Kra Buri Basin / Kra Buri Basin
Kunene (Cunene) Basin / Kunene (Cunene) Basin
La Plata Basin / La Plata Basin
La Plata Basin / Rio de la Plata / Arroyo Vallimanca
La Plata Basin / Rio de la Plata / Rio Arapey
La Plata Basin / Rio de la Plata / Rio Negro
La Plata Basin / Rio de la Plata / Rio Paraguay
La Plata Basin / Rio de la Plata / Rio Paranapanema
La Plata Basin / Rio de la Plata / Rio Salado
La Plata Basin / Rio de la Plata / Rio San Salvador
La Plata Basin / Rio de la Plata / Rio Santa Lucia
La Plata Basin / Rio de la Plata / Rio Tiete
La Plata Basin / Rio de la Plata / Rio Uruguay
La Plata Basin / Rio de la Plata / Rio Yi
Labrador Newfoundland Minor Coastal (misc. creek tribs) / Labrador Newfoundland Minor Coastal (misc. creek tribs)
Lagoa dos Patos Basin / Lagoa dos Patos Basin
Lake Erne Basin / Lake Erne Basin
Lake Malawi Basin / Lake Malawi Basin
Lake Ponchartrain Basin / Tangipahoa R. / Tangipahoa R.
Lake Ponchartrain Basin / Tickfaw R. / Blood R.
Lake Ponchartrain Basin / Tickfaw R. / Tickfaw R.
Lake Tanganyika Basin / Lake Tanganyika Basin
Lenya Basin / Lenya Basin
Limpopo Basin / Limpopo Basin
Loire Basin / Loire Basin
Louisiana Minor Coastal (misc. creek tribs) / Louisiana Minor Coastal (misc. creek tribs)
Mã Basin / Mã R. / Lúa R.
Maas-Waal-Rhine Basin / Elz R. / Glotter R.
Maas-Waal-Rhine Basin / Maas-Waal-Rhine Basin
Maas-Waal-Rhine Basin / Main R. / Main R.
Maas-Waal-Rhine Basin / Nahe R. / Nahe R.
Madagascar Minor Coastal (misc. creek tribs) / Madagascar Minor Coastal (misc. creek tribs)
Mae Khlong Basin / Mae Khlong Basin
Magdelene Basin / Magdelene Basin
Maine Minor Coastal (misc. creek tribs) / Maine Minor Coastal (misc. creek tribs)
Malaysia Minor Coastal (South China Sea, misc. creek tribs) / Malaysia Minor Coastal (South China Sea, misc. creek tribs)
Malaysia Minor Coastal (Strait of Malacca, misc. creek tribs) / Malaysia Minor Coastal (Strait of Malacca, misc. creek tribs)
Massachusetts Minor Coastal / Buzzards Bay Basin (misc. creek tribs) / Buzzards Bay Basin (misc. creek tribs)
Massachusetts Minor Coastal / Cape Cod Bay-Cape Cod (misc. creek tribs) / Cape Cod Bay-Cape Cod (misc. creek tribs)
Massachusetts Minor Coastal / Ipswich Bay Basin / Ipswich R.
Massachusetts Minor Coastal / Massachusetts Bay Basin (misc. creek tribs) / Massachusetts Bay Basin (misc. creek tribs)
Massachusetts Minor Coastal / Massachusetts Bay Basin / Neponset R.
Massachusetts Minor Coastal / Massachusetts Bay Basin / North R.
Matagorda Bay Basin / Colorado R. (TX) / Colorado R. (TX)
Matagorda Bay Basin / Colorado R. (TX) / Concho R.
Matagorda Bay Basin / Colorado R. (TX) / Middle Concho R.
Matagorda Bay Basin / Lavaca R. / Lavaca R.
Matagorda Bay Basin / Lavaca R. / Navidad R.
Matagorda Bay Basin / Lavaca R. / Sandy Creek
Mayo Basin / Mayo Basin
Mekong Basin / Mekong R. / Bang Fai R.
Mekong Basin / Mekong R. / Gnouang R.
Mekong Basin / Mekong R. / Krong R.
Mekong Basin / Mekong R. / Long R.
Mekong Basin / Mekong R. / Mekong R.
Mekong Basin / Mekong R. / Mun R.
Mekong Basin / Mekong R. / Ngum R.
Mekong Basin / Mekong R. / Noy R.
Mekong Basin / Mekong R. / Theun R.
Merrimack Basin / Concord R. / Assabet R.
Merrimack Basin / Concord R. / Sudbury R.
Merrimack Basin / Merrimack R. / Merrimack R.
Merrimack Basin / Nashua R. / Nashua R.
Merrimack Basin / Piscataquog R. / Piscataquog R.
Merrimack Basin / Souhegan R. / Souhegan R.
Merrimack Basin / Suncook R. / Suncook R.
Mexico Pacific Ocean Islands Minor Coastal (misc. creek tribs) / Mexico Pacific Ocean Islands Minor Coastal (misc. creek tribs)
Miramichi Bay Basin / Southwest Miramichi R. / Renous R.
Mississippi Basin / Arkansas R. / Arkansas R.
Mississippi Basin / Arkansas R. / Bayou Meto R.
Mississippi Basin / Arkansas R. / Caney R.
Mississippi Basin / Arkansas R. / Chikaskia R.
Mississippi Basin / Arkansas R. / Cimarron R.
Mississippi Basin / Arkansas R. / Conchas R.
Mississippi Basin / Arkansas R. / Cottonwood R.
Mississippi Basin / Arkansas R. / Deep Fork R.
Mississippi Basin / Arkansas R. / Elk R.
Mississippi Basin / Arkansas R. / Fall R.
Mississippi Basin / Arkansas R. / Fourche LaFave R.
Mississippi Basin / Arkansas R. / Illinois R.
Mississippi Basin / Arkansas R. / Little Caney R.
Mississippi Basin / Arkansas R. / Little R.
Mississippi Basin / Arkansas R. / Maumelle R.
Mississippi Basin / Arkansas R. / Neosho R.
Mississippi Basin / Arkansas R. / North Canadian R.
Mississippi Basin / Arkansas R. / Petit Jean R.
Mississippi Basin / Arkansas R. / Poteau R.
Mississippi Basin / Arkansas R. / South Fourche LaFave R.
Mississippi Basin / Arkansas R. / Spring R.
Mississippi Basin / Arkansas R. / Verdigris R.
Mississippi Basin / Arkansas R. / Walnut R.
Mississippi Basin / Lower Mississippi R. / Big Black R.
Mississippi Basin / Lower Mississippi R. / Big Sunflower R.
Mississippi Basin / Lower Mississippi R. / Buffalo R.
Mississippi Basin / Lower Mississippi R. / Castor R.
Mississippi Basin / Lower Mississippi R. / Hatchie R.
Mississippi Basin / Lower Mississippi R. / Homochitto R.
Mississippi Basin / Lower Mississippi R. / L'Anguille R.
Mississippi Basin / Lower Mississippi R. / Little Sunflower R.
Mississippi Basin / Lower Mississippi R. / Little Tallahatchie R.
Mississippi Basin / Lower Mississippi R. / Loosahatchie R.
Mississippi Basin / Lower Mississippi R. / Lower Mississippi R.
Mississippi Basin / Lower Mississippi R. / Obion R.
Mississippi Basin / Lower Mississippi R. / Quiver R.
Mississippi Basin / Lower Mississippi R. / St. Francis R.
Mississippi Basin / Lower Mississippi R. / Tallahatchie R.
Mississippi Basin / Lower Mississippi R. / Tuscumbia R.
Mississippi Basin / Lower Mississippi R. / Tyronza R.
Mississippi Basin / Lower Mississippi R. / Yacona R.
Mississippi Basin / Lower Mississippi R. / Yalobusha R.
Mississippi Basin / Lower Mississippi R. / Yazoo R.
Mississippi Basin / Missouri R. / Big Souix R.
Mississippi Basin / Missouri R. / Clear Fork
Mississippi Basin / Missouri R. / Fall R.
Mississippi Basin / Missouri R. / Fishing R.
Mississippi Basin / Missouri R. / Gasconade R.
Mississippi Basin / Missouri R. / Illinois R.
Mississippi Basin / Missouri R. / James R.
Mississippi Basin / Missouri R. / Kansas R.
Mississippi Basin / Missouri R. / Laramie R.
Mississippi Basin / Missouri R. / Little Missouri R.
Mississippi Basin / Missouri R. / Little Sioux R.
Mississippi Basin / Missouri R. / Marais des Cygnes R.
Mississippi Basin / Missouri R. / Marias R.
Mississippi Basin / Missouri R. / Marmaton R.
Mississippi Basin / Missouri R. / Milk R.
Mississippi Basin / Missouri R. / Missouri R.
Mississippi Basin / Missouri R. / Musselshell R.
Mississippi Basin / Missouri R. / Niangua R.
Mississippi Basin / Missouri R. / Niobrara R.
Mississippi Basin / Missouri R. / North Fork South Platte R.
Mississippi Basin / Missouri R. / North Platte R.
Mississippi Basin / Missouri R. / Norwood R.
Mississippi Basin / Missouri R. / Osage R.
Mississippi Basin / Missouri R. / Platte R. (W Missouri)
Mississippi Basin / Missouri R. / Pomme De Terre R.
Mississippi Basin / Missouri R. / Redwater R.
Mississippi Basin / Missouri R. / Republican R.
Mississippi Basin / Missouri R. / Sac R.
Mississippi Basin / Missouri R. / Smoky Hill R.
Mississippi Basin / Missouri R. / South Platte R.
Mississippi Basin / Missouri R. / White R.
Mississippi Basin / Missouri R. / Wind R.
Mississippi Basin / Missouri R. / Wise R.
Mississippi Basin / Missouri R. / Yellowstone R.
Mississippi Basin / Ohio R. / Allegheny R.
Mississippi Basin / Ohio R. / Barren Fork R.
Mississippi Basin / Ohio R. / Barren R.
Mississippi Basin / Ohio R. / Bear Creek
Mississippi Basin / Ohio R. / Beaver R.
Mississippi Basin / Ohio R. / Big Blue R.
Mississippi Basin / Ohio R. / Big South Fork Cumberland R.
Mississippi Basin / Ohio R. / Blue R.
Mississippi Basin / Ohio R. / Buffalo R.
Mississippi Basin / Ohio R. / Cache R.
Mississippi Basin / Ohio R. / Calfkiller R.
Mississippi Basin / Ohio R. / Cane R.
Mississippi Basin / Ohio R. / Caney Fork R.
Mississippi Basin / Ohio R. / Cheat R.
Mississippi Basin / Ohio R. / Cheoah R.
Mississippi Basin / Ohio R. / Clear Fork R.
Mississippi Basin / Ohio R. / Clinch R.
Mississippi Basin / Ohio R. / Collins R.
Mississippi Basin / Ohio R. / Cullasaja R.
Mississippi Basin / Ohio R. / Cumberland R.
Mississippi Basin / Ohio R. / Davidson R.
Mississippi Basin / Ohio R. / Duck R.
Mississippi Basin / Ohio R. / East Fork French Broad R.
Mississippi Basin / Ohio R. / East Fork Pigeon R.
Mississippi Basin / Ohio R. / East Fork Stones R.
Mississippi Basin / Ohio R. / East Fork White R.
Mississippi Basin / Ohio R. / Eel R.
Mississippi Basin / Ohio R. / Elk R.
Mississippi Basin / Ohio R. / Emory R.
Mississippi Basin / Ohio R. / Flatrock R.
Mississippi Basin / Ohio R. / Flint R.
Mississippi Basin / Ohio R. / French Broad R.
Mississippi Basin / Ohio R. / French Creek
Mississippi Basin / Ohio R. / Gasper R.
Mississippi Basin / Ohio R. / Great Miami R.
Mississippi Basin / Ohio R. / Green R.
Mississippi Basin / Ohio R. / Greenbrier R.
Mississippi Basin / Ohio R. / Guest R.
Mississippi Basin / Ohio R. / Harpeth R.
Mississippi Basin / Ohio R. / Hiwassee R.
Mississippi Basin / Ohio R. / Holston R.
Mississippi Basin / Ohio R. / Kanawha R.
Mississippi Basin / Ohio R. / Kentucky R.
Mississippi Basin / Ohio R. / Kokosing R.
Mississippi Basin / Ohio R. / Licking R.
Mississippi Basin / Ohio R. / Little Barren R.
Mississippi Basin / Ohio R. / Little Emory R.
Mississippi Basin / Ohio R. / Little Harpeth R.
Mississippi Basin / Ohio R. / Little Kanawha R.
Mississippi Basin / Ohio R. / Little Miami R.
Mississippi Basin / Ohio R. / Little Muskingham R.
Mississippi Basin / Ohio R. / Little Pigeon R.
Mississippi Basin / Ohio R. / Little R.
Mississippi Basin / Ohio R. / Little R. (NC)
Mississippi Basin / Ohio R. / Little R. (VA)
Mississippi Basin / Ohio R. / Little Sandy R.
Mississippi Basin / Ohio R. / Little Sequatchie R.
Mississippi Basin / Ohio R. / Little South Fork R.
Mississippi Basin / Ohio R. / Little Tennessee R.
Mississippi Basin / Ohio R. / Little Vermillion R.
Mississippi Basin / Ohio R. / Mad R.
Mississippi Basin / Ohio R. / Mahoning Creek
Mississippi Basin / Ohio R. / Middle Fork Holston R.
Mississippi Basin / Ohio R. / Middle Fork Kentucky R.
Mississippi Basin / Ohio R. / Middle Fork R.
Mississippi Basin / Ohio R. / Mills R.
Mississippi Basin / Ohio R. / Mississinewa R.
Mississippi Basin / Ohio R. / Mohican R.
Mississippi Basin / Ohio R. / Monongahela R.
Mississippi Basin / Ohio R. / Mud R.
Mississippi Basin / Ohio R. / Muddy Fork Little R.
Mississippi Basin / Ohio R. / Muscatatuck R.
Mississippi Basin / Ohio R. / Muskingum R.
Mississippi Basin / Ohio R. / Nantahala R.
Mississippi Basin / Ohio R. / New R.
Mississippi Basin / Ohio R. / Nolichucky R.
Mississippi Basin / Ohio R. / Nolin R.
Mississippi Basin / Ohio R. / North Fork Clinch R.
Mississippi Basin / Ohio R. / North Fork French Broad R.
Mississippi Basin / Ohio R. / North Fork Holston R.
Mississippi Basin / Ohio R. / North Fork Hughes R.
Mississippi Basin / Ohio R. / North Fork Kentucky R.
Mississippi Basin / Ohio R. / North Fork Licking R.
Mississippi Basin / Ohio R. / North Fork New R.
Mississippi Basin / Ohio R. / North Fork Saline R.
Mississippi Basin / Ohio R. / North Toe R.
Mississippi Basin / Ohio R. / Nottely R.
Mississippi Basin / Ohio R. / Obed R.
Mississippi Basin / Ohio R. / Obey R.
Mississippi Basin / Ohio R. / Ocoee R.
Mississippi Basin / Ohio R. / Oconaluftee R.
Mississippi Basin / Ohio R. / Ohio R.
Mississippi Basin / Ohio R. / Olentangy R.
Mississippi Basin / Ohio R. / Paint Rock R.
Mississippi Basin / Ohio R. / Patoka R.
Mississippi Basin / Ohio R. / Pigeon R.
Mississippi Basin / Ohio R. / Piney R.
Mississippi Basin / Ohio R. / Powell R.
Mississippi Basin / Ohio R. / Red Bird R.
Mississippi Basin / Ohio R. / Red R.
Mississippi Basin / Ohio R. / Roaring R.
Mississippi Basin / Ohio R. / Rockcastle R.
Mississippi Basin / Ohio R. / Rocky R.
Mississippi Basin / Ohio R. / Rough R.
Mississippi Basin / Ohio R. / Salamonie R.
Mississippi Basin / Ohio R. / Salt R.
Mississippi Basin / Ohio R. / Scioto R.
Mississippi Basin / Ohio R. / Sequatchie R.
Mississippi Basin / Ohio R. / Shenango R.
Mississippi Basin / Ohio R. / Shoal Creek
Mississippi Basin / Ohio R. / South Fork Holston R.
Mississippi Basin / Ohio R. / South Fork Kentucky R.
Mississippi Basin / Ohio R. / South Fork Licking R.
Mississippi Basin / Ohio R. / South Fork New R.
Mississippi Basin / Ohio R. / South Fork Saline R.
Mississippi Basin / Ohio R. / South Toe R.
Mississippi Basin / Ohio R. / Stones R.
Mississippi Basin / Ohio R. / Swannanoa R.
Mississippi Basin / Ohio R. / Tellico R.
Mississippi Basin / Ohio R. / Tennessee R.
Mississippi Basin / Ohio R. / Toccoa R.
Mississippi Basin / Ohio R. / Tuckasegee R.
Mississippi Basin / Ohio R. / Tuscarawas R.
Mississippi Basin / Ohio R. / Tygart Valley R.
Mississippi Basin / Ohio R. / Valley R.
Mississippi Basin / Ohio R. / Vermillion R.
Mississippi Basin / Ohio R. / Wabash R.
Mississippi Basin / Ohio R. / Walhonding R.
Mississippi Basin / Ohio R. / Watauga R.
Mississippi Basin / Ohio R. / West Fork Clarks R.
Mississippi Basin / Ohio R. / West Fork French Broad R.
Mississippi Basin / Ohio R. / West Fork Greenbrier R.
Mississippi Basin / Ohio R. / West Fork Pigeon R.
Mississippi Basin / Ohio R. / West Fork Stones R.
Mississippi Basin / Ohio R. / West Fork White R.
Mississippi Basin / Ohio R. / White R.
Mississippi Basin / Ohio R. / Wolf R.
Mississippi Basin / Ohio R. / Youghiogeny R.
Mississippi Basin / Upper Mississippi R. / Big Muddy R.
Mississippi Basin / Upper Mississippi R. / Big R.
Mississippi Basin / Upper Mississippi R. / Black R.
Mississippi Basin / Upper Mississippi R. / Bowstring R.
Mississippi Basin / Upper Mississippi R. / Cedar R.
Mississippi Basin / Upper Mississippi R. / Chippewa R.
Mississippi Basin / Upper Mississippi R. / Des Moines R.
Mississippi Basin / Upper Mississippi R. / Des Plaines R.
Mississippi Basin / Upper Mississippi R. / East Fork Black R.
Mississippi Basin / Upper Mississippi R. / Eau Galle R.
Mississippi Basin / Upper Mississippi R. / Fox R.
Mississippi Basin / Upper Mississippi R. / Galena R.
Mississippi Basin / Upper Mississippi R. / Green R.
Mississippi Basin / Upper Mississippi R. / Illinois R.
Mississippi Basin / Upper Mississippi R. / Iowa R.
Mississippi Basin / Upper Mississippi R. / Kankakee R.
Mississippi Basin / Upper Mississippi R. / LaMoine R.
Mississippi Basin / Upper Mississippi R. / Lemonweir R.
Mississippi Basin / Upper Mississippi R. / Little Black R.
Mississippi Basin / Upper Mississippi R. / Meramec R.
Mississippi Basin / Upper Mississippi R. / Middle Fork Salt R.
Mississippi Basin / Upper Mississippi R. / Mississippi R.
Mississippi Basin / Upper Mississippi R. / North R.
Mississippi Basin / Upper Mississippi R. / Pecatonica R.
Mississippi Basin / Upper Mississippi R. / Pigeon R.
Mississippi Basin / Upper Mississippi R. / Red Cedar R.
Mississippi Basin / Upper Mississippi R. / Redwood R.
Mississippi Basin / Upper Mississippi R. / Rice R.
Mississippi Basin / Upper Mississippi R. / Rock R.
Mississippi Basin / Upper Mississippi R. / Rum R.
Mississippi Basin / Upper Mississippi R. / Sangamon R.
Mississippi Basin / Upper Mississippi R. / Sauk R.
Mississippi Basin / Upper Mississippi R. / Spoon R.
Mississippi Basin / Upper Mississippi R. / St. Croix R.
Mississippi Basin / Upper Mississippi R. / Sugar R.
Mississippi Basin / Upper Mississippi R. / Swan R.
Mississippi Basin / Upper Mississippi R. / Vermilion R.
Mississippi Basin / Upper Mississippi R. / Wapsipinicon R.
Mississippi Basin / Upper Mississippi R. / West Fork Cuivre R.
Mississippi Basin / Upper Mississippi R. / Wisconsin R.
Mississippi Basin / Upper Mississippi R. / Yellowstone R.
Mississippi Basin / White R. / Black R.
Mississippi Basin / White R. / Buffalo R.
Mississippi Basin / White R. / Cache R.
Mississippi Basin / White R. / Current R.
Mississippi Basin / White R. / Eleven Point R.
Mississippi Basin / White R. / Fourche R.
Mississippi Basin / White R. / Jacks Fork R.
Mississippi Basin / White R. / James R.
Mississippi Basin / White R. / Kings R.
Mississippi Basin / White R. / Little Black R.
Mississippi Basin / White R. / Little Red R.
Mississippi Basin / White R. / Middle Fork Little Red R.
Mississippi Basin / White R. / Middle Fork White R.
Mississippi Basin / White R. / North Fork White R.
Mississippi Basin / White R. / South Fork Spring R.
Mississippi Basin / White R. / Spring R.
Mississippi Basin / White R. / Strawberry R.
Mississippi Basin / White R. / West Fork Black R.
Mississippi Basin / White R. / West Fork White R.
Mississippi Basin / White R. / White R.
Mobile Bay Basin (misc. creek tribs) / Mobile Bay Basin (misc. creek tribs)
Mobile Bay Basin / Alabama R. / Alabama R.
Mobile Bay Basin / Alabama R. / Cahaba R.
Mobile Bay Basin / Alabama R. / Cartecay R.
Mobile Bay Basin / Alabama R. / Chattooga R.
Mobile Bay Basin / Alabama R. / Conasauga R.
Mobile Bay Basin / Alabama R. / Coosa R.
Mobile Bay Basin / Alabama R. / Coosawattee R.
Mobile Bay Basin / Alabama R. / Ellijay R.
Mobile Bay Basin / Alabama R. / Etowah R.
Mobile Bay Basin / Alabama R. / Jacks R.
Mobile Bay Basin / Alabama R. / Little Cahaba R. (N)
Mobile Bay Basin / Alabama R. / Little Cahaba R. (S)
Mobile Bay Basin / Alabama R. / Little R.
Mobile Bay Basin / Alabama R. / Little Tallapoosa R.
Mobile Bay Basin / Alabama R. / Oostanaula R.
Mobile Bay Basin / Alabama R. / Tallapoosa R.
Mobile Bay Basin / Dog R. / Dog R.
Mobile Bay Basin / Fowl R. / Fowl R.
Mobile Bay Basin / Mobile-Tensaw R. / Mobile-Tensaw R.
Mobile Bay Basin / Tombigbee R. / Black Warrior R.
Mobile Bay Basin / Tombigbee R. / Blackburn Fork R.
Mobile Bay Basin / Tombigbee R. / Buttahatchie R.
Mobile Bay Basin / Tombigbee R. / Little Warrior R.
Mobile Bay Basin / Tombigbee R. / Locust Fork R.
Mobile Bay Basin / Tombigbee R. / Luxapallila Creek
Mobile Bay Basin / Tombigbee R. / Mulberry Fork R.
Mobile Bay Basin / Tombigbee R. / North R.
Mobile Bay Basin / Tombigbee R. / Noxubee R.
Mobile Bay Basin / Tombigbee R. / Sipsey Fork R.
Mobile Bay Basin / Tombigbee R. / Sipsey R.
Mobile Bay Basin / Tombigbee R. / Sucarnoochee R.
Mobile Bay Basin / Tombigbee R. / Tombigbee R.
Montenegro Minor Coastal (misc. creek tribs) / Montenegro Minor Coastal (misc. creek tribs)
Morocco Minor Coastal (misc. creek tribs) / Morocco Minor Coastal (misc. creek tribs)
Murray Basin / Murray Basin
Muscongus Bay Basin (misc. creek tribs) / Muscongus Bay Basin (misc. creek tribs)
Muscongus Bay Basin / Medomak R. / Medomak R.
Musi Basin / Musi Basin
Myanmar (Burma) Minor Coastal (misc. creek tribs) / Myanmar (Burma) Minor Coastal (misc. creek tribs)
Narragansett Bay Basin (misc. creek tribs) / Narragansett Bay Basin (misc. creek tribs)
Narragansett Bay Basin / Providence R. / Blackstone R.
Narragansett Bay Basin / Providence R. / Mill R.
Narragansett Bay Basin / Providence R. / Pawtuxet R.
Narragansett Bay Basin / Providence R. / Providence R.
Narragansett Bay Basin / Taunton R. / Taunton R.
Narragansett Bay Basin / Taunton R. / Threemile R.
Natal Minor Coastal / Natal Minor Coastal
New Basin / New R. / New R.
New Brunswick Minor Coastal (misc. creek tribs) / New Brunswick Minor Coastal (misc. creek tribs)
New Guinea Minor Coastal (misc. creek tribs) / New Guinea Minor Coastal (misc. creek tribs)
New Hampshire Minor Coastal (misc. creek tribs) / New Hampshire Minor Coastal (misc. creek tribs)
New Jersey Minor Coastal / Shark R. / Shark R.
New South Wales Minor Coastal (misc. creek tribs) / New South Wales Minor Coastal (misc. creek tribs)
New South Wales Minor Coastal / New South Wales Minor Coastal
New York Minor Coastal / Nissequogue R. / Nissequogue R.
New Zealand (North Island) Minor Coastal (misc. creek tribs) / New Zealand (North Island) Minor Coastal (misc. creek tribs)
New Zealand (South Island) Minor Coastal (misc. creek tribs) / New Zealand (South Island) Minor Coastal (misc. creek tribs)
New Zealand (South Island) Minor Coastal / New Zealand (South Island) Minor Coastal
Newark Bay Basin / Hackensack R. / Hackensack R.
Newark Bay Basin / Passaic R. / Passaic R.
Newfoundland Island Minor Coastal (misc. creek tribs) / Newfoundland Island Minor Coastal (misc. creek tribs)
Nicaragua Minor Coastal (Atlantic) (misc. creek tribs) / Nicaragua Minor Coastal (Atlantic) (misc. creek tribs)
Nicaragua Minor Coastal (Pacific) (misc. creek tribs) / Nicaragua Minor Coastal (Pacific) (misc. creek tribs)
Nile Basin / Blue Nile / Blue Nile
Nile Basin / Nile R. / Nile R.
Nile Basin / White Nile / Albert Nile/Lake Albert
North Carolina Minor Coastal / Bogue-Back Sound Basin (creek tribs) / Bogue-Back Sound Basin (creek tribs)
North Carolina Minor Coastal / Bogue-Back Sound Basin / Newport R.
North Carolina Minor Coastal / Croatan-Pamlico Sound Basin (creek tribs) / Croatan-Pamlico Sound Basin (creek tribs)
North Carolina Minor Coastal / Currituck Sound Basin (creek tribs) / Currituck Sound Basin (creek tribs)
North Carolina Minor Coastal / Currituck Sound Basin / North Landing R.
North Carolina Minor Coastal / Currituck Sound Basin / Northwest R.
North Carolina Minor Coastal / Long Bay Basin / Lockwood Folly R.
North Carolina Minor Coastal / Long Bay Basin / Shallotte R.
North Carolina Minor Coastal / Onslow Bay Basin (creek tribs) / Onslow Bay Basin (creek tribs)
Novia Scotia Minor Coastal (misc. creek tribs) / Novia Scotia Minor Coastal (misc. creek tribs)
Novia Scotia Minor Coastal / Avon R. / Kennetcook R.
Novia Scotia Minor Coastal / Margaree R. / Margaree R.
Nunavut Mainland Minor Coastal / Nunavut Mainland Minor Coastal
Ochlockonee Basin / Little Ochlockonee R. / Little Ochlockonee R.
Ochlockonee Basin / Little R. / Little R.
Ochlockonee Basin / Ochlockonee R. / Ochlockonee R.
Oder Basin / Oder Basin
Ogeechee Basin / Ogeechee R. / Canoochee R.
Ogeechee Basin / Ogeechee R. / Little Ogeechee R.
Ogeechee Basin / Ogeechee R. / Ogeechee R.
Ogeechee Basin / Ogeechee R. / South Fork Ogeechee R.
Orange Basin / Orange Basin
Orinoco Basin / Orinoco Basin
Oum Er Rbia Basin / Oum er Rbia Basin
Palar Basin / Palar Basin
Palawan-Calamian Minor Coastal (misc. creek tribs) / Palawan-Calamian Minor Coastal (misc. creek tribs)
Pamlico Sound Basin / Neuse R. / Contentnea Creek
Pamlico Sound Basin / Neuse R. / Eno R.
Pamlico Sound Basin / Neuse R. / Flat R.
Pamlico Sound Basin / Neuse R. / Little R.
Pamlico Sound Basin / Neuse R. / Neuse R.
Pamlico Sound Basin / Neuse R. / North Fork Little R.
Pamlico Sound Basin / Neuse R. / South Flat R.
Pamlico Sound Basin / Neuse R. / South Fork Little R.
Pamlico Sound Basin / Neuse R. / Trent R.
Pamlico Sound Basin / Neuse R. / West Fork Eno R.
Pamlico Sound Basin / Pamlico R. / Pamlico R. (creek tribs)
Pamlico Sound Basin / Pamlico R. / Pungo R.
Pamlico Sound Basin / Pamlico R. / Tar R.
Panama Minor Coastal (Pacific) (misc. creek tribs) / Panama Minor Coastal (Pacific) (misc. creek tribs)
Pánuco Basin / Panuco Basin
Papaloapan Basin / Papaloapan Basin
Para Minor Coastal (misc. creek tribs) / Para Minor Coastal (misc. creek tribs)
Paraiba (Rio de Janeiro) Basin / Paraiba (Rio de Janeiro) Basin
Parana-Santa Catarina Minor Coastal (misc. creek tribs) / Parana-Santa Catarina Minor Coastal (misc. creek tribs)
Parana-Santa Catarina Minor Coastal / Parana-Santa Catarina Minor Coastal
Parnaiba Basin / Parnaiba Basin
Pascagoula Basin / Chickasawhay R. / Chickasawhay R.
Pascagoula Basin / Chickasawhay R. / Chunky R.
Pascagoula Basin / Leaf R. / Leaf R.
Pascagoula Basin / Pascagoula R. / Pascagoula R.
Passamaquoddy Bay Basin / Digdeguash R. / Digdeguash R.
Passamaquoddy Bay Basin / St. Croix R. / St. Croix R.
Pearl Basin / Pearl R. / Bogue Chitto R.
Pearl Basin / Pearl R. / Pearl R.
Pee Dee Basin / Pee Dee R. / Ararat R.
Pee Dee Basin / Pee Dee R. / Black R.
Pee Dee Basin / Pee Dee R. / Fisher R.
Pee Dee Basin / Pee Dee R. / Little Lynches R.
Pee Dee Basin / Pee Dee R. / Little Pee Dee R.
Pee Dee Basin / Pee Dee R. / Little R.
Pee Dee Basin / Pee Dee R. / Little Yadkin R.
Pee Dee Basin / Pee Dee R. / Lumber R.
Pee Dee Basin / Pee Dee R. / Lynches R.
Pee Dee Basin / Pee Dee R. / Mitchell R.
Pee Dee Basin / Pee Dee R. / Pee Dee R.
Pee Dee Basin / Pee Dee R. / Pocataligo R.
Pee Dee Basin / Pee Dee R. / Reddies R.
Pee Dee Basin / Pee Dee R. / Roaring R.
Pee Dee Basin / Pee Dee R. / Rocky R.
Pee Dee Basin / Pee Dee R. / South Yadkin R.
Pee Dee Basin / Pee Dee R. / Uwharrie R.
Pee Dee Basin / Pee Dee R. / Waccamaw R.
Pee Dee Basin / Pee Dee R. / West Fork Little R.
Pee Dee Basin / Pee Dee R. / Yadkin R.
Penobscot Bay Basin / Penobscot R. / Mattawamkeag R.
Penobscot Bay Basin / Penobscot R. / Molunkus R.
Penobscot Bay Basin / Penobscot R. / Penobscot R.
Penobscot Bay Basin / Penobscot R. / Piscataquis R.
Penobscot Bay Basin / Penobscot R. / West Branch Mattawamkeag R.
Perdido Bay Basin / Perdido R. / Perdido R.
Peru (S of Lima) Minor Coastal (misc. creek tribs) / Peru (S of Lima) Minor Coastal (misc. creek tribs)
Peru Endorheic Basins / Peru Endorheic Basins
Petitcodiac Basin / Petitcodiac R. / Petitcodiac R.
Piscataqua Basin / Lamprey R. / Lamprey R.
Piscataqua Basin / Piscataqua R. / Piscataqua R.
Po Basin / Po Basin
Po di Volano Basin / Po di Volano Basin
Puerto Rico Minor Coastal (misc. creek tribs) / Puerto Rico Minor Coastal (misc. creek tribs)
Puerto Rico Minor Coastal / Puerto Rico Minor Coastal / Río Espíritu Santo
Puerto Rico Minor Coastal / Río Bucaná / Río Bucaná
Puerto Rico Minor Coastal / Río Grande de Loiza / Río Grande de Loiza
Puerto Rico Minor Coastal / Río Grande de Manatí / Río Grande de Manatí
Puerto Rico Minor Coastal / Río Guanajibo / Río Guanajibo
Puerto Rico Minor Coastal / Río Inabón / Río Inabón
Puerto Rico Minor Coastal / Río Tallaboa / Río Tallaboa
Quebec Minor North Coastal (misc. creek tribs) / Quebec Minor North Coastal (misc. creek tribs)
Quebec-Gaspe Peninsula Minor Coastal (misc. creek tribs) / Quebec-Gaspe Peninsula Minor Coastal (misc. creek tribs)
Queensland Minor Coastal (misc. creek tribs) / Queensland Minor Coastal (misc. creek tribs)
Raritan Bay Basin (misc. creek tribs) / Raritan Bay Basin (misc. creek tribs)
Raritan Bay Basin / Raritan R. / Millstone R.
Raritan Bay Basin / Raritan R. / Raritan R.
Reno Basin / Reno Basin
Rhode Island Minor Coastal (misc. creek tribs) / Rhode Island Minor Coastal (misc. creek tribs)
Rhone Basin / Rhone Basin
Ribeira Basin / Ribeira Basin
Rio de Janeiro Minor Coastal (misc. creek tribs) / Rio de Janeiro Minor Coastal (misc. creek tribs)
Rio de Janeiro Minor Coastal / Rio de Janeiro Minor Coastal
Rio Grande Basin / Pecos R. / Pecos R.
Rio Grande Basin / Rio Grande / Rio Grande
Rio Grande Basin / Rio Salado / Rio Sabinas (Coahuila)
Rio Grande Basin / Santa Fe R. / Santa Fe R.
Rio Grande de Matagalpa Basin / Rio Grande de Matagalpa Basin
Rio Grande de Santiago Basin / Rio Grande de Santiago Basin
Rio Grande do Sul Minor Coastal (misc. creek tribs) / Rio Grande do Sul Minor Coastal (misc. creek tribs)
Rio Grande do Sul Minor Coastal / Rio Grande do Sul Minor Coastal
Rogue Basin / Illinois R. / Illinois R.
Rogue Basin / Rogue R. / Rogue R.
Roper Basin / Roper Basin
Russia Gulf of Finland Minor Coastal (misc. creek tribs) / Russia Gulf of Finland Minor Coastal (misc. creek tribs)
Russia Gulf of Finland Minor Coastal / Russia Gulf of Finland Minor Coastal
Russian Basin / Russian R. / Russian R.
Russian Minor Caspian Tributaries (misc. creek tribs) / Russian Minor Caspian Tributaries (misc. creek tribs)
Sabah Minor Coastal / Sabah Minor Coastal
Sabine Lake Basin / Neches R. / Angelina R.
Sabine Lake Basin / Neches R. / Attoyac Bayou
Sabine Lake Basin / Neches R. / Neches R.
Sabine Lake Basin / Sabine R. / Cowleech Fork Sabine R.
Sabine Lake Basin / Sabine R. / Sabine R.
Saco Bay Basin / Saco R. / Ossipee R.
Saco Bay Basin / Saco R. / Saco R.
Saigon Basin / Saigon Basin
Salween Basin / Salween Basin
Samoa-Phoenix Islands Minor Coastal / Samoa Islands (misc. creek tribs) / Samoa Islands (misc. creek tribs)
San Antonio Bay Basin / Guadalupe R. / Guadalupe R.
San Antonio Bay Basin / Guadalupe R. / San Marcos R.
San Antonio Bay Basin / San Antonio R. / San Antonio R.
San Francisco Bay Basin (misc. creek tribs) / San Francisco Bay Basin (misc. creek tribs)
San Francisco Bay Basin / Petaluma R. / Petaluma R.
San Francisco Bay Basin / Sacramento R. / Feather R.
San Francisco Bay Basin / Sacramento R. / Pit R.
San Francisco Bay Basin / Sacramento R. / Sacramento R.
San Francisco Bay Basin / San Joaquin R. / Stanislaus R.
San Juan Basin / Rio Toro / Rio Sucio
San Juan Basin / San Juan R. / San Juan R.
Santa Maria Basin / Santa Maria Basin
Santee Basin / Congaree R. / Broad R.
Santee Basin / Congaree R. / Bush R.
Santee Basin / Congaree R. / Congaree R.
Santee Basin / Congaree R. / Enoree R.
Santee Basin / Congaree R. / First Broad R.
Santee Basin / Congaree R. / Green R.
Santee Basin / Congaree R. / Little R.
Santee Basin / Congaree R. / Little Saluda R.
Santee Basin / Congaree R. / North Pacolet R.
Santee Basin / Congaree R. / Reedy R.
Santee Basin / Congaree R. / Saluda R.
Santee Basin / Congaree R. / Second Broad R.
Santee Basin / Congaree R. / South Saluda R.
Santee Basin / Santee R. / Santee R.
Santee Basin / Wateree R. / Catawba R.
Santee Basin / Wateree R. / Henry Fork R.
Santee Basin / Wateree R. / Jacob Fork R.
Santee Basin / Wateree R. / Johns R.
Santee Basin / Wateree R. / Linville R.
Santee Basin / Wateree R. / Lower Little R.
Santee Basin / Wateree R. / North Fork Catawba R.
Santee Basin / Wateree R. / South Fork Catawba R.
Santee Basin / Wateree R. / Upper Little R.
Santee Basin / Wateree R. / Wateree R.
Sao Francisco Basin / Sao Francisco Basin
Sardinia Minor Coastal (misc. creek tribs) / Sardinia Minor Coastal (misc. creek tribs)
Satilla Basin / Alabaha R. / Alabaha R.
Satilla Basin / Satilla R. / Satilla R.
Savannah Basin / Savannah R. / Broad R.
Savannah Basin / Savannah R. / Chattooga R.
Savannah Basin / Savannah R. / Chauga R.
Savannah Basin / Savannah R. / Horsepasture R.
Savannah Basin / Savannah R. / Hudson R.
Savannah Basin / Savannah R. / Keowee R.
Savannah Basin / Savannah R. / Little R. (GA)
Savannah Basin / Savannah R. / Little R. (SC)
Savannah Basin / Savannah R. / Middle Fork Broad R.
Savannah Basin / Savannah R. / Savannah R.
Savannah Basin / Savannah R. / South Fork Broad R.
Savannah Basin / Savannah R. / Stevens Creek
Savannah Basin / Savannah R. / Toxaway R.
Savannah Basin / Savannah R. / Whitewater R.
SE Alaska Minor Coastal (misc. creek tribs) / SE Alaska Minor Coastal (misc. creek tribs)
SE Alaska Minor Coastal / SE Alaska Minor Coastal
SE North Carolina Minor Coastal tributaries (misc. creeks) / SE North Carolina Minor Coastal tributaries (misc. creeks)
Seine Basin / Seine Basin
Shatt al Arab (Tigris-Euphrates) Basin / Shatt al Arab (Tigris-Euphrates) Basin
Sheepscot Basin / Sheepscot R. / Sheepscot R.
Shinano Basin / Shinano Basin
Sittaung Basin / Sittaung Basin
Slovenia-Croatia-Bosnia Minor Coastal (misc. creek tribs) / Slovenia-Croatia-Bosnia Minor Coastal (misc. creek tribs)
Slovenia-Croatia-Bosnia Minor Coastal / Slovenia-Croatia-Bosnia Minor Coastal
Somalia Minor Coastal / Somalia Minor Coastal
South Carolina Minor Coastal (misc. creek tribs) / South Carolina Minor Coastal (misc. creek tribs)
South Carolina Minor Coastal / New R. / New R.
Spain Endorheic Basins / Spain Endorheic Basins
Spain Mediterranean Sea Minor Coastal (misc. creek tribs) / Spain Mediterranean Sea Minor Coastal (misc. creek tribs)
Spey Basin / Spey Basin
Sri Lanka Minor Coastal (misc. creek tribs) / Sri Lanka Minor Coastal (misc. creek tribs)
St. Andrew Bay Basin / Econfina R. (W) / Econfina R. (W)
St. George Basin / St. George R. / St. George R.
St. Helena Sound Basin / Combahee R. / Combahee R.
St. Helena Sound Basin / Combahee R. / Salkehatchie R.
St. Helena Sound Basin / Edisto R. / Edisto R.
St. Helena Sound Basin / Edisto R. / North Fork Edisto R.
St. Helena Sound Basin / Edisto R. / South Fork Edisto R.
St. John Basin / Aroostook R. / Arroostook R.
St. John Basin / Aroostook R. / St. Croix Stream
St. John Basin / Canaan R. / Canaan R.
St. John Basin / Fish R. / Fish R.
St. John Basin / Grand R. / Grand R.
St. John Basin / Kennebecasis R. / Kennebecasis R.
St. John Basin / Little R. / Little R.
St. John Basin / Nashwaak R. / Nashwaak R.
St. John Basin / Oromocto R. / Oromocto R.
St. John Basin / Salmon R. / Salmon R.
St. John Basin / Salmon Rier / Salmon Rier
St. John Basin / St. Francis R. / St. Francis R.
St. John Basin / St. John R. / St. John R.
St. Johns Basin / Econlockhatchee R. / Econlockhatchee R.
St. Johns Basin / Oklawaha R. / Oklawaha R.
St. Johns Basin / Oklawaha R. / Silver R.
St. Johns Basin / Ortega R. / Ortega R.
St. Johns Basin / St. Johns R. / St. Johns R.
St. Johns Basin / Wekiva R. / Little Wekiva R.
St. Johns Basin / Wekiva R. / Wekiva R.
St. Lawrence Basin / Grass R. / Grass R.
St. Lawrence Basin / Lake Erie (lake & creek tribs) / Lake Erie (lake & creek tribs)
St. Lawrence Basin / Lake Erie Basin / Bell R.
St. Lawrence Basin / Lake Erie Basin / Clinton R.
St. Lawrence Basin / Lake Erie Basin / Cuyahoga R.
St. Lawrence Basin / Lake Erie Basin / Detroit R.
St. Lawrence Basin / Lake Erie Basin / Eramosa R.
St. Lawrence Basin / Lake Erie Basin / Grand R.
St. Lawrence Basin / Lake Erie Basin / Grand R. (OH)
St. Lawrence Basin / Lake Erie Basin / Huron R. (MI)
St. Lawrence Basin / Lake Erie Basin / Little Auglaize R.
St. Lawrence Basin / Lake Erie Basin / Maumee R.
St. Lawrence Basin / Lake Erie Basin / North Sydenham R.
St. Lawrence Basin / Lake Erie Basin / Ottawa R.
St. Lawrence Basin / Lake Erie Basin / Portage R.
St. Lawrence Basin / Lake Erie Basin / R. Raisin
St. Lawrence Basin / Lake Erie Basin / Rocky R.
St. Lawrence Basin / Lake Erie Basin / Saline R.
St. Lawrence Basin / Lake Erie Basin / Sandusky R.
St. Lawrence Basin / Lake Erie Basin / Speed R.
St. Lawrence Basin / Lake Erie Basin / St. Clair R.
St. Lawrence Basin / Lake Erie Basin / St. Joseph
St. Lawrence Basin / Lake Erie Basin / St. Marys R.
St. Lawrence Basin / Lake Erie Basin / Sydenham R.
St. Lawrence Basin / Lake Erie Basin / Tiffin R.
St. Lawrence Basin / Lake Erie Basin / Vermillion R.
St. Lawrence Basin / Lake Erie Basin / West Branch St. Joseph R.
St. Lawrence Basin / Lake Huron (lake & creek tribs) / Lake Huron (lake & creek tribs)
St. Lawrence Basin / Lake Huron Basin / Black R.
St. Lawrence Basin / Lake Huron Basin / Carp R.
St. Lawrence Basin / Lake Huron Basin / Cass R.
St. Lawrence Basin / Lake Huron Basin / Cheboygan R.
St. Lawrence Basin / Lake Huron Basin / Flint R.
St. Lawrence Basin / Lake Huron Basin / Maple R.
St. Lawrence Basin / Lake Huron Basin / Munuscong R.
St. Lawrence Basin / Lake Huron Basin / North Branch Muskoka R.
St. Lawrence Basin / Lake Huron Basin / Pine R. (LM)
St. Lawrence Basin / Lake Huron Basin / Pine R. (UP)
St. Lawrence Basin / Lake Huron Basin / Saginaw R.
St. Lawrence Basin / Lake Huron Basin / Severn R.
St. Lawrence Basin / Lake Huron Basin / St. Marys R.
St. Lawrence Basin / Lake Huron Basin / Sturgeon R.
St. Lawrence Basin / Lake Huron Basin / Styx R.
St. Lawrence Basin / Lake Huron Basin / Thunder Bay R.
St. Lawrence Basin / Lake Michigan (lake & creek tribs) / Lake Michigan (lake & creek tribs)
St. Lawrence Basin / Lake Michigan Basin / Bear R.
St. Lawrence Basin / Lake Michigan Basin / Flat R.
St. Lawrence Basin / Lake Michigan Basin / Grand R.
St. Lawrence Basin / Lake Michigan Basin / Indian R.
St. Lawrence Basin / Lake Michigan Basin / Kalamazoo R.
St. Lawrence Basin / Lake Michigan Basin / Little R.
St. Lawrence Basin / Lake Michigan Basin / Manistee R.
St. Lawrence Basin / Lake Michigan Basin / Manistique R.
St. Lawrence Basin / Lake Michigan Basin / Menominee R.
St. Lawrence Basin / Lake Michigan Basin / Menomonee R.
St. Lawrence Basin / Lake Michigan Basin / Muskegon R.
St. Lawrence Basin / Lake Michigan Basin / Oconto R.
St. Lawrence Basin / Lake Michigan Basin / Pensaukee R.
St. Lawrence Basin / Lake Michigan Basin / Peshtigo R.
St. Lawrence Basin / Lake Michigan Basin / Pigeon R.
St. Lawrence Basin / Lake Michigan Basin / Pigeon R. (MI)
St. Lawrence Basin / Lake Michigan Basin / Pike R. (Rivière aux Brochets)
St. Lawrence Basin / Lake Michigan Basin / Rapid R.
St. Lawrence Basin / Lake Michigan Basin / Red R.
St. Lawrence Basin / Lake Michigan Basin / South Branch Oconto R.
St. Lawrence Basin / Lake Michigan Basin / St. Joseph R.
St. Lawrence Basin / Lake Michigan Basin / Thornapple R.
St. Lawrence Basin / Lake Michigan Basin / White R.
St. Lawrence Basin / Lake Michigan Basin / Whitefish R.
St. Lawrence Basin / Lake Michigan Basin / Wolf R.
St. Lawrence Basin / Lake Ontario (lake & creek tribs) / Lake Ontario (lake & creek tribs)
St. Lawrence Basin / Lake Ontario Basin / Beaver R.
St. Lawrence Basin / Lake Ontario Basin / Genesee R.
St. Lawrence Basin / Lake Ontario Basin / Moira R.
St. Lawrence Basin / Lake Ontario Basin / Moose R.
St. Lawrence Basin / Lake Ontario Basin / Napanee R.
St. Lawrence Basin / Lake Ontario Basin / Niagra R.
St. Lawrence Basin / Lake Ontario Basin / Oneida R.
St. Lawrence Basin / Lake Ontario Basin / Ouse R.
St. Lawrence Basin / Lake Ontario Basin / Salmon R.
St. Lawrence Basin / Lake Ontario Basin / Seneca R.
St. Lawrence Basin / Lake Ontario Basin / Skootamatta R.
St. Lawrence Basin / Lake Ontario Basin / Trent R.
St. Lawrence Basin / Lake Superior (lake & creek tribs) / Lake Superior (lake & creek tribs)
St. Lawrence Basin / Lake Superior / Tahquamenon R.
St. Lawrence Basin / Lake Superior Basin / Au Train R.
St. Lawrence Basin / Lake Superior Basin / Carp R.
St. Lawrence Basin / Lake Superior Basin / East Branch Tahquamenon R.
St. Lawrence Basin / Lake Superior Basin / Perch R.
St. Lawrence Basin / Lake Superior Basin / Pigeon R.
St. Lawrence Basin / Oswegatchie R. / Oswegatchie R.
St. Lawrence Basin / Ottawa R. / Madawaska R.
St. Lawrence Basin / Ottawa R. / Mississippi R.
St. Lawrence Basin / Ottawa R. / Ottawa R.
St. Lawrence Basin / Ottawa R. / Rideau R.
St. Lawrence Basin / Ottawa R. / Riviere Gatineau
St. Lawrence Basin / Ottawa R. / South Nation R.
St. Lawrence Basin / Riviere Chaudiere / Riviere Chaudiere
St. Lawrence Basin / Riviere Richelieu / Ausable R.
St. Lawrence Basin / Riviere Richelieu / Lake Champlain (lake & creek tribs)
St. Lawrence Basin / Riviere Richelieu / Lake George
St. Lawrence Basin / Riviere Richelieu / Lamoille R.
St. Lawrence Basin / Riviere Richelieu / Missisquoi R.
St. Lawrence Basin / Riviere Richelieu / Poultney R.
St. Lawrence Basin / Riviere Richelieu / Riviere Richelieu
St. Lawrence Basin / Riviere Richelieu / Saranac R.
St. Lawrence Basin / Riviere Richelieu / Winooski R.
St. Lawrence Basin / Riviere Saguenay / Riviere Saguenay
St. Lawrence Basin / Riviere Ste. Francois / Riviere Ste. Francois
St. Lawrence Basin / Riviere Yamaska / Riviere Yamaska
St. Lawrence Basin / Salmon R. / Salmon R.
St. Lawrence Basin / St. Lawrence R. / St. Lawrence R.
St. Lawrence Basin / St. Regis R. / St. Regis R.
St. Louis Bay Basin / Wolf R. / Wolf R.
St. Marks Basin / St. Marks R. / St. Marks R.
St. Marks Basin / Wakulla R. / Wakulla R.
St. Marys Basin / St. Marys R. / St. Marys R.
Steinhatchee Basin / Steinhatchee R. / Steinhatchee R.
Sulawesi Minor Coastal (misc. creek tribs) / Sulawesi Minor Coastal (misc. creek tribs)
Sumatra Minor Coastal (East coast and islands) / Sumatra Minor Coastal (East coast and islands)
Sumatra Minor Coastal (East coast and islands, misc. creek tribs) / Sumatra Minor Coastal (East coast and islands, misc. creek tribs)
Suriname Basin / Suriname Basin
Suwannee R. Basin / Alapaha R. / Alapaha R.
Suwannee R. Basin / Alapaha R. / Willacoochee R.
Suwannee R. Basin / Santa Fe R. / Ichetucknee R.
Suwannee R. Basin / Santa Fe R. / New R.
Suwannee R. Basin / Santa Fe R. / Santa Fe R.
Suwannee R. Basin / Suwannee R. / Suwannee R.
Suwannee R. Basin / Withlacoochee R. / Little R.
Suwannee R. Basin / Withlacoochee R. / New R.
Suwannee R. Basin / Withlacoochee R. / Withlacoochee R.
Sweden Southwest Minor Coastal (misc. creek tribs) / Sweden Southwest Minor Coastal (misc. creek tribs)
Taiwan Minor Coastal (misc. creek tribs) / Taiwan Minor Coastal (misc. creek tribs)
Taiwan Minor Coastal / Taiwan Minor Coastal
Tamesi Basin / Tamesi Basin
Tampa Bay Basin (misc. creek tribs) / Tampa Bay Basin (misc. creek tribs)
Tampa Bay Basin / Alafia R. / Alafia R.
Tampa Bay Basin / Hillsborough R. / Hillsborough R.
Tampa Bay Basin / Little Manatee R. / Little Manatee R.
Tampa Bay Basin / Manatee R. / East Fork Manatee R.
Tampa Bay Basin / Manatee R. / Manatee R.
Tasmania Minor Coastal (misc. creek tribs) / Tasmania Minor Coastal (misc. creek tribs)
Tasmania Minor Coastal / Tasmania Minor Coastal
Tecolutla Basin / Tecolutla Basin
Tehuantepec Basin / Tehuantepec Basin
Tejo Basin / Tejo Basin
Tensift Basin / Tensift Basin
Terrebonne-Timbalier Bay Basin (misc. creek tribs) / Terrebonne-Timbalier Bay Basin (misc. creek tribs)
Texas Minor Coastal / Baffin Bay Basin (creek tribs) / Baffin Bay Basin (creek tribs)
Thailand Minor Coastal (Andaman Sea, misc. creek tribs) / Thailand Minor Coastal (Andaman Sea, misc. creek tribs)
Thailand Minor Coastal (Gulf of Thailand, misc. creek tribs) / Thailand Minor Coastal (Gulf of Thailand, misc. creek tribs)
Thames Basin / Quinebaug R. / French R.
Thames Basin / Quinebaug R. / Moosup R.
Thames Basin / Quinebaug R. / Natchaug R.
Thames Basin / Quinebaug R. / Quinebaug R.
Thames Basin / Quinebaug R. / Shetucket R.
Thames Basin / Thames Basin
Tiber Basin / Tiber Basin
Tocantins Basin / Tocantins Basin
Trinidad and Tobago Minor Coastal / Tobago Minor Coastal (misc. creek tribs) / Tobago Minor Coastal (misc. creek tribs)
Trinidad and Tobago Minor Coastal / Trinidad Minor Coastal (misc. creek tribs) / Trinidad Minor Coastal (misc. creek tribs)
Turkey Endorheic Basins / Turkey Endorheic Basins
Turkey Minor Mediterranean Coastal (misc. creek tribs) / Turkey Minor Mediterranean Coastal (misc. creek tribs)
Turkey Minor Mediterranean Coastal / Turkey Minor Mediterranean Coastal
Ukraine Black Sea Minor Coastal (misc. creek tribs) / Ukraine Black Sea Minor Coastal (misc. creek tribs)
Ukraine Black Sea Minor Coastal / Ukraine Black Sea Minor Coastal
Umpqua Basin / Smith R. / North Umpqua R.
Umpqua Basin / Umpqua R. / Umpqua R.
Ungava Bay Basin (misc. creek tribs) / Ungava Bay Basin (misc. creek tribs)
Union Bay Basin / Union R. / Union R.
Uruguay Minor Coastal (misc. creek tribs) / Uruguay Minor Coastal (misc. creek tribs)
Uruguay Minor Coastal / Uruguay Minor Coastal
Van Ùc Basin / Van Ùc R. / Huong R.
Van Ùc Basin / Van Ùc R. / Thuong R
Van Ùc Basin / Van Ùc R. / Trung R.
Vancouver Island Minor Coastal / Taylor R. / Taylor R.
Vera Cruz Minor Coastal (misc. creek tribs) / Vera Cruz Minor Coastal (misc. creek tribs)
Vera Cruz Minor Coastal / Vera Cruz Minor Coastal
Victoria and near islands Minor Coastal (misc. creek tribs) / Northwest Territory Islands Minor Coastal
Victoria Minor Coastal (misc. creek tribs) / Victoria Minor Coastal (misc. creek tribs)
Vietnam Minor Coastal (Gulf of Tonkin) / Vietnam Minor Coastal (Gulf of Tonkin)
Vietnam Minor Coastal (misc. creek tribs) / Vietnam Minor Coastal (misc. creek tribs)
Vietnam Minor Coastal / Vietnam Minor Coastal
Virgin Islands Minor Coastal (misc. creek tribs) / Virgin Islands Minor Coastal (misc. creek tribs)
Volga Basin / Volga Basin
Volta Basin / Volta Basin
Vouga Basin / Vouga R. / Vouga R.
Waitaki Basin / Waitaki Basin
Washington Minor Coastal / Ozette R. / Ozette R.
Weser Basin / Wesser Basin
Western Australia Minor Coastal (misc. creek tribs) / Western Australia Minor Coastal (misc. creek tribs)
White Oak Basin / White Oak R. / White Oak R.
Wista Basin / Wista Basin
Withlacoochee Basin / Little Withlacoochee R. / Little Withlacoochee R.
Withlacoochee Basin / Rainbow R. / Rainbow R.
Withlacoochee Basin / Withlacoochee R. / Withlacoochee R.
Yodo Basin / Yodo Basin
Zambeze Basin / Zambeze Basin
Zhejang Minor Coastal / Zhejang Minor Coastal
Zhu Basin (Pearl Basin) / Xi R. / Bắc Khê R.
Zhu Basin (Pearl Basin) / Xi R. / Bằng R.
Zhu Basin (Pearl Basin) / Xi R. / Kỳ Cùng R.
Zhu Basin (Pearl Basin) / Xi R. / Xi R.
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