Amnicola cora is a species of very small freshwater snail which has an operculum, an aquatic prosobranch gastropod mollusc in the family Amnicolidae according to the taxonomy of the Gastropoda.
The slender campeloma, scientific name Campeloma decampi, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Viviparidae.
The cobble elimia, scientific name Elimia vanuxemiana, is a species of freshwater snails, aquatic gilled gastropod molluscs with an operculum in the family Pleuroceridae. This species is endemic to Alabama in the United States.
Marstonia agarhecta, common name Ocmulgee marstonia, is a species of freshwater snail with a gill and an operculum, aquatic gastropod mollusk in the family Hydrobiidae.
Marstonia castor, common name the beaver pond marstonia, is a species of very small freshwater snail with a gill and an operculum, an aquatic operculate gastropod mollusk in the family Hydrobiidae. This species was endemic to a very limited area of the US state of Georgia, mostly to streams and creeks around Lake Blackshear.
Marstonia ogmorhaphe, common names the royal marstonia or royal springsnail, is a minute species of freshwater snail, an aquatic gastropod mollusk or micromollusk in the family Hydrobiidae, the mud snails. This species is endemic to Tennessee in the United States, where it occurs in two streams in Marion County. It is a federally listed endangered species of the United States.
The Ouachita pebblesnail, scientific name †Somatogyrus amnicoloides, was a species of minute freshwater snail with an operculum, an aquatic gastropod mollusc or micromollusc in the family Hydrobiidae.
The angular pebblesnail, scientific name Somatogyrus biangulatus, is a species of very small freshwater snail with an operculum, an aquatic operculate gastropod mollusc in the Lithoglyphidae family. This species is endemic to Alabama in the United States. Its natural habitat is Muscle Shoals region of the Tennessee River. Although the IUCN officially categorises the species as Data Deficient, it also considers it as Possibly extinct, as it has not been recorded since the river was impounded. This latter classification is also supported by The Nature Conservancy.
The stocky pebblesnail is a species of very small freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae. This species is endemic to Alabama in the United States. Its natural habitat is the Coosa River. The IUCN classification is also supported by The Nature Conservancy, as it has not been recorded since the river was impounded.
The Tennessee pebblesnail is a species of very small freshwater snail with an operculum. It is an aquatic gastropod mollusc in the family Lithoglyphidae.
The fluted pebblesnail, scientific name Somatogyrus hendersoni, is a species of very small freshwater snail with an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae. This species is endemic to Alabama in the United States. Its natural habitat is the Coosa River, but it has not been collected since the river was impounded.
The dwarf pebblesnail is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae.
The Tallapoosa pebblesnail, scientific name Somatogyrus pilsbryanus, is a species of very small freshwater snail with an operculum, an aquatic gastropod mollusc in the family Hydrobiidae. This species is endemic to Alabama in the United States. Its natural habitat is rivers. The common name of this pebblesnail refers to the Tallapoosa River, which runs through the states of Georgia and Alabama.
The pygmy pebblesnail, scientific name Somatogyrus pygmaeus, is a species of very small or minute freshwater snail with a gill and an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae. This species is endemic to Alabama in the United States. Its natural habitat is the Coosa River.
Marstonia is a genus of freshwater snails with a gill and an operculum, aquatic gastropod molluscs in the family Hydrobiidae.
