51 records--presented below--match your search criteria: Freshwater gastropods
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to Enlarge		   Scientific Name
 Family Common Name Atlas Page
   Acroloxus coloradensis
 Acroloxidae  Rocky Mountain Capshell 
   Aplexa elongata
 Physidae  Lance Aplexa 
   Bellamya chinensis
 Viviparidae  Chinese Mysterysnail 
No Image Available   Ferrissia fragilis
 Planorbidae  Fragile Ancylid 
   Ferrissia rivularis
 Planorbidae  Creeping Ancylid. 
   Fisherola nuttalli
 Lymnaeidae  Shortface Lanx 
   Fluminicola fuscus
 Lithoglyphidae  Ashy Pebblesnail 
   Galba bulimoides
 Lymnaeidae  Prairie Fossaria 
No Image Available   Galba dalli
 Lymnaeidae  Dusky Fossaria 
   Galba galbana
 Lymnaeidae  Boreal Fossaria 
   Galba modicella
 Lymnaeidae  Rock Fossaria 
No Image Available   Galba obrussa
 Lymnaeidae  Golden Fossaria 
No Image Available   Galba parva
 Lymnaeidae  Pygmy Fossaria 
No Image Available   Galba truncatula
 Lymnaeidae  Attenuate Fossaria 
   Gyraulus circumstriatus
 Planorbidae  Disc Gyro 
   Gyraulus crista
 Planorbidae  Star Gyro 
   Gyraulus deflectus
 Planorbidae  Flexed Gyro 
   Gyraulus parvus
 Planorbidae  Ash Gyro 
No Image Available   Gyraulus vermicularis
 Planorbidae  Pacific Coast Gyro 
   Helisoma anceps
 Planorbidae  Two-ridge Ramshorn 
   Helisoma trivolvis
 Planorbidae  Marsh Ramshorn 
No Image Available   Lymnaea atkaensis
 Lymnaeidae  Frigid Lymnaea 
   Lymnaea stagnalis
 Lymnaeidae  Swamp Lymnaea 
   Menetus opercularis
 Planorbidae  Button Sprite 
No Image Available   Physa jennessi
 Physidae  Obtuse Physa 
   Physa megalochlamys
 Physidae  Cloaked Physa 
   Physa skinneri
 Physidae  Glass Physa 
No Image Available   Physella acuta
 Physidae  Pewter Physa 
No Image Available   Physella columbiana
 Physidae  Rotund Physa 
   Physella gyrina
 Physidae  Tadpole Physa 
   Physella lordi
 Physidae  Twisted Physa 
No Image Available   Physella mexicana
 Physidae  Polished Physa 
No Image Available   Physella propinqua
 Physidae  Rocky Mountain Physa 
No Image Available   Physella virginea
 Physidae  Sunset Physa 
No Image Available   Physella wrighti
 Physidae  Hotwater Physa 
No Image Available   Planorbula armigera
 Planorbidae  Thicklip Ramshorn 
   Planorbula campestris
 Planorbidae  Meadow Ramshorn 
   Potamopyrgus antipodarum
 Hydrobiidae  New Zealand Mudsnail 
   Promenetus exacuous
 Planorbidae  Sharp Sprite 
   Promenetus umbilicatellus
 Planorbidae  Umbilicate Sprite 
No Image Available   Pseudosuccinea columella
 Lymnaeidae  Mimic Lymnaea 
   Radix auricularia
 Lymnaeidae  Big-ear Radix 
No Image Available   Stagnicola apicina
 Lymnaeidae  Abbreviate Pondsnail 
No Image Available   Stagnicola arctica
 Lymnaeidae  Arctic Pondsnail 
No Image Available   Stagnicola caperata
 Lymnaeidae  Wrinkled Marshsnail 
   Stagnicola catascopium
 Lymnaeidae  Woodland Pondsnail 
   Stagnicola elodes
 Lymnaeidae  Marsh Pondsnail 
   Valvata humeralis
 Valvatidae  Glossy Valvata 
   Valvata lewisi
 Valvatidae  Fringed Valvata 
   Valvata sincera
 Valvatidae  Mossy Valvata 
   Valvata tricarinata
 Valvatidae  Three-ridge Valvata