Home >> Checklist: Gastropoda - Freshwater Snails of Illinois >> Previous version of Key >> Identification Key (new version): Gastropoda - Freshwater Snails of Illinois
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Illinois Natural History Survey
Species Count: 83
Ancylidae
Ferrissia fragilis
Ferrissia rivularis
Laevapex fuscus
Rhodacme hinkleyi
Bithyniidae
Bithynia tentaculata
Hydrobiidae
Amnicola limosus
Birgella subglobosus
Cincinnatia integra
Fontigens aldrichi
Fontigens antroecetes
Fontigens nickliniana
Hoyia sheldoni
Lyogyrus pilsbryi
Lyogyrus walkeri
Marstonia lustrica
Marstonia scalariformis
Probythinella emarginata
Somatogyrus depressus
Somatogyrus integra
Somatogyrus tryoni
Lymnaeidae
Acella haldemani
Fossaria dalli
Fossaria exigua
Fossaria humilis
Fossaria modicella
Fossaria obrussa
Fossaria parva
Fossaria rustica
Fossaria tazewelliana
Lymnaea stagnalis
Pseudosuccinea columella
Radix auricularia
Stagnicola caperatus
Stagnicola catascopium
Stagnicola elodes
Stagnicola exilis
Stagnicola walkeriana
Stagnicola woodruffi
Physidae
Aplexa elongata
Physa skinneri
Physella gyrina
Physella heterostropha
Physella integra
Physella virgata
Planorbidae
Biomphalaria glabrata
Gyraulus deflectus
Gyraulus parvus
Helisoma anceps
Menetus dilatatus
Menetus sampsoni
Planorbella campanulata
Planorbella trivolvis
Planorbella truncata
Planorbula armigera
Promenetus exacuous
Promenetus umbilicatellus
Pleuroceridae
Elimia costifera
Elimia livescens
Elimia semicarinata
Leptoxis praerosa
Leptoxis trilineata
Lithasia armigera
Lithasia geniculata
Lithasia obovata
Lithasia verrucosa
Pleurocera acuta
Pleurocera alveare
Pleurocera canaliculata
Pomatiopsidae
Pomatiopsis cincinnatiensis
Pomatiopsis lapidaria
Valvatidae
Valvata bicarinata
Valvata lewisi
Valvata perdepressa
Valvata sincera
Valvata tricarinata
Viviparidae
Campeloma crassulum
Campeloma decisum
Campeloma rufum
Cipangopaludina chinensis
Lioplax sulculosa
Viviparus georgianus
Viviparus intertextus
Viviparus subpurpureus