Maryland Checklist - Order: Basommatophora - all-time (Total: 22)   

PhotosCommon NameGenusSpeciesCategoryFamilyOrderClassKingdom
1  Fragile AncylidFerrissiafragilis Freshwater SnailsAncylidaeBasommatophoraGastropodaAnimalia
2 Creeping AncylidFerrissiarivularis Freshwater SnailsAncylidaeBasommatophoraGastropodaAnimalia
3  Dusky AncylidLaevapexfuscus Freshwater SnailsAncylidaeBasommatophoraGastropodaAnimalia
4  Marsh FossariaFossariahumilis Freshwater SnailsLymnaeidaeBasommatophoraGastropodaAnimalia
5 Mimic LymnaeaPseudosuccineacolumella Freshwater SnailsLymnaeidaeBasommatophoraGastropodaAnimalia
6  Woodland PondsnailStagnicolacatascopium Freshwater SnailsLymnaeidaeBasommatophoraGastropodaAnimalia
7  Marsh PondsnailStagnicolaelodes Freshwater SnailsLymnaeidaeBasommatophoraGastropodaAnimalia
8  No Common NamePhysacarolinae Freshwater SnailsPhysidaeBasommatophoraGastropodaAnimalia
9 No Common NamePhysagyrina Freshwater SnailsPhysidaeBasommatophoraGastropodaAnimalia
10 European PhysaPhysellaacuta Freshwater SnailsPhysidaeBasommatophoraGastropodaAnimalia
11  Pewter PhysaPhysellaheterostropha pomila Freshwater SnailsPhysidaeBasommatophoraGastropodaAnimalia
12  Flexed GyroGyraulusdeflectus Freshwater SnailsPlanorbidaeBasommatophoraGastropodaAnimalia
13 Ash GyroGyraulusparvus Freshwater SnailsPlanorbidaeBasommatophoraGastropodaAnimalia
14 Two-ridge Rams-HornHelisomaanceps Freshwater SnailsPlanorbidaeBasommatophoraGastropodaAnimalia
15  Bugle SpriteMenetusdilatatus Freshwater SnailsPlanorbidaeBasommatophoraGastropodaAnimalia
16 Marsh Rams-HornPlanorbellatrivolvis Freshwater SnailsPlanorbidaeBasommatophoraGastropodaAnimalia
17  Thicklip Rams-HornPlanorbulaarmigera Freshwater SnailsPlanorbidaeBasommatophoraGastropodaAnimalia
18  Sharp SpritePromenetusexacuous Freshwater SnailsPlanorbidaeBasommatophoraGastropodaAnimalia
1  Appalachian ThornCarychiumclappi Land SnailsEllobiidaeBasommatophoraGastropodaAnimalia
2  Obese Thorn Carychiumexiguum Land SnailsEllobiidaeBasommatophoraGastropodaAnimalia
3  Ice Thorn Carychiumexile Land SnailsEllobiidaeBasommatophoraGastropodaAnimalia
4  File Thorn Carychiumnannodes Land SnailsEllobiidaeBasommatophoraGastropodaAnimalia

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