FWGNA > Taxonomic Species Index
Sortable Taxonomic Index
The 80 species and subspecies currently covered by the Freshwater Gastropods of North America project are ordered below by Subclass, Family, Genus, species, and (in some cases) subspecies. Users who do not find specific or generic nomina expected in the list below are referred to the alphabetical index for synonyms.

Click the state column headers to sort by presence/absence in each state. Click a second time to reverse the yes/no sort.

Subclass Family Genus Species Subspecies VA NC SC GA TN
Prosobranchs Ampullariidae Pomacea insularum no no yes yes no
Prosobranchs Ampullariidae Pomacea paludosa no no yes yes no
Prosobranchs Viviparidae Bellamya chinensis yes no no no no
Prosobranchs Viviparidae Bellamya japonica yes yes yes no no
Prosobranchs Viviparidae Campeloma decisum yes yes yes yes yes
Prosobranchs Viviparidae Lioplax subcarinata yes yes yes yes no
Prosobranchs Viviparidae Viviparus georgianus yes yes yes yes no
Prosobranchs Viviparidae Viviparus intertextus no yes yes no no
Prosobranchs Viviparidae Viviparus subpurpureus no no yes no yes
Prosobranchs Valvatidae Valvata bicarinata yes yes yes yes no
Prosobranchs Valvatidae Valvata tricarinata yes no no no no
Prosobranchs Hydrobiidae Amnicola limosa yes yes yes yes yes
Prosobranchs Hydrobiidae Clappia umbilicata no no no no yes
Prosobranchs Hydrobiidae Floridobia spp. no yes no yes no
Prosobranchs Hydrobiidae Fontigens bottimeri yes no no no no
Prosobranchs Hydrobiidae Fontigens morrisoni yes no no no no
Prosobranchs Hydrobiidae Fontigens nickliniana yes no no no yes
Prosobranchs Hydrobiidae Fontigens orolibas yes no no no yes
Prosobranchs Hydrobiidae Gillia altilis yes yes yes no no
Prosobranchs Hydrobiidae Holsingeria unthanksensis yes no no no no
Prosobranchs Hydrobiidae Littorinidops tenuipes yes yes yes yes no
Prosobranchs Hydrobiidae Lyogyrus granum yes yes yes yes yes
Prosobranchs Hydrobiidae Lyogyrus latus no no no yes no
Prosobranchs Hydrobiidae Marstonia agarhecta no no no yes no
Prosobranchs Hydrobiidae Marstonia arga no no no no yes
Prosobranchs Hydrobiidae Marstonia gaddisorum no no no yes no
Prosobranchs Hydrobiidae Marstonia halcyon no no no yes no
Prosobranchs Hydrobiidae Marstonia lustrica yes no no no no
Prosobranchs Hydrobiidae Marstonia ogmorhaphe no no no no yes
Prosobranchs Hydrobiidae Notogillia sathon no no no yes no
Prosobranchs Hydrobiidae Somatogyrus virginicus yes yes yes yes yes
Prosobranchs Hydrobiidae Somatogyrus parvulus yes no no no yes
Prosobranchs Hydrobiidae Spilochlamys turgida no no no yes no
Prosobranchs Pomatiopsidae Pomatiopsis cincinnatiensis yes no no no yes
Prosobranchs Pomatiopsidae Pomatiopsis lapidaria yes no no no yes
Prosobranchs Bithyniidae Bithynia tentaculata yes no no no no
Prosobranchs Pleuroceridae Io fluviatilis yes no no no yes
Prosobranchs Pleuroceridae Leptoxis carinata yes yes no no yes
Prosobranchs Pleuroceridae Leptoxis crassa no no no no yes
Prosobranchs Pleuroceridae Leptoxis praerosa yes yes no no yes
Prosobranchs Pleuroceridae Lithasia verrucosa no no no no yes
Prosobranchs Pleuroceridae Pleurocera canaliculata
 canaliculata no no no no yes
Prosobranchs Pleuroceridae Pleurocera canaliculata pyrenellum no no no no yes
Prosobranchs Pleuroceridae Pleurocera catenaria catenaria yes yes yes yes yes
Prosobranchs Pleuroceridae Pleurocera catenaria dislocata yes yes yes yes no
Prosobranchs Pleuroceridae Pleurocera clavaeformis
 clavaeformis yes no no no yes
Prosobranchs Pleuroceridae Pleurocera clavaeformis unciale yes no no no yes
Prosobranchs Pleuroceridae Pleurocera ebenum yes no no no no
Prosobranchs Pleuroceridae Pleurocera floridensis timidus no no no yes no
Prosobranchs Pleuroceridae Pleurocera gabbiana yes no no no yes
Prosobranchs Pleuroceridae Pleurocera laqueata no no no no yes
Prosobranchs Pleuroceridae Pleurocera modesta no yes no yes yes
Prosobranchs Pleuroceridae Pleurocera proxima yes yes yes yes yes
Prosobranchs Pleuroceridae Pleurocera semicarinata yes no no no no
Prosobranchs Pleuroceridae Pleurocera simplex yes no no no yes
Prosobranchs Pleuroceridae Pleurocera troostiana yes no no no yes
Prosobranchs Pleuroceridae Pleurocera virginica yes yes no no no
Pulmonates Lymnaeidae Lymnaea caperata yes no no no no
Pulmonates Lymnaeidae Lymnaea columella yes yes yes yes yes
Pulmonates Lymnaeidae Lymnaea cubensis no yes yes yes no
Pulmonates Lymnaeidae Lymnaea humilis yes yes yes yes yes
Pulmonates Physidae Aplexa hypnorum yes no no no no
Pulmonates Physidae Physa acuta yes yes yes yes yes
Pulmonates Physidae Physa carolinae yes yes yes yes no
Pulmonates Physidae Physa gyrina yes yes no yes yes
Pulmonates Physidae Physa pomilia yes yes yes yes yes
Pulmonates Planorbidae Biomphalaria obstructa no no yes yes no
Pulmonates Planorbidae Gyraulus deflectus yes no no no no
Pulmonates Planorbidae Gyraulus parvus yes yes yes yes yes
Pulmonates Planorbidae Helisoma anceps yes yes yes yes yes
Pulmonates Planorbidae Helisoma eucosmium no yes no no no
Pulmonates Planorbidae Helisoma magnifica no yes no no no
Pulmonates Planorbidae Helisoma trivolvis yes yes yes yes yes
Pulmonates Planorbidae Menetus dilatatus yes yes yes yes yes
Pulmonates Planorbidae Planorbula armigera yes yes no no no
Pulmonates Planorbidae Promenetus exacuous yes yes yes yes no
Pulmonates Ancylidae Ferrissia fragilis yes yes yes yes yes
Pulmonates Ancylidae Ferrissia rivularis yes yes no no yes
Pulmonates Ancylidae Hebetancylus excentricus yes yes yes yes no
Pulmonates Ancylidae Laevapex fuscus yes yes yes yes yes