The Australian freshwater limpet or Tasmanian freshwater limpet, scientific name Ancylastrum cumingianus, is a species of air-breathing freshwater snail or freshwater limpet, an aquatic pulmonate gastropod mollusc in the family Planorbidae. This species is endemic to freshwater lakes in the Central Plateau of Tasmania.
The Enterprise siltsnail, also known as the Enterprise spring snail, scientific name Floridobia monroensis, is a species of very small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Hydrobiidae, the mud snails.
The ponderous siltsnail or ponderous spring snail, scientific name Floridobia ponderosa, is a species of small freshwater snail, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.
The Seminole siltsnail or Seminole spring snail, scientific name Floridobia vanhyningi, is a species of small freshwater snail, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to Seminole Springs in Florida, United States.
The coahuilix de Hubbs snail, scientific name Coahuilix hubbsi, is a species of small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Hydrobiidae. This species is endemic to Mexico.
Miller's snail, scientific name Cochliopina milleri, is a species of very small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Hydrobiidae, the mud snails. This species is endemic to Mexico.
The durangonella de Coahuila snail, scientific name Durangonella coahuilae, is a species is a genus of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae.
The caper elimia, scientific name Elimia olivula, is a species of gilled freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae. This species is endemic to the United States.
The spiny river snail, scientific name Io fluvialis, is a species of freshwater snail, an aquatic mollusk in the family Pleuroceridae. This is the only species in the genus Io. This species is endemic to the USA.
The knob mudalia, scientific name Leptoxis minor, is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Pleuroceridae.
The mainstream river snail, also known as the onyx rocksnail, scientific name Leptoxis praerosa, is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Pleuroceridae. This species is endemic to the United States.
The armigerous river snail or armored rocksnail, scientific name Lithasia armigera, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Pleuroceridae. This species is endemic to the United States.
Dutton's river snail also known as the helmet rocksnail, scientific name Lithasia duttoniana, is a species of freshwater snails with an operculum, aquatic gastropod mollusks in the family Pleuroceridae. This species is endemic to the United States.
The muddy rocksnail, also known as the rugged river snail, scientific name Lithasia salebrosa, is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Pleuroceridae. This species is endemic to the United States.
The Utah physa, scientific name Physella utahensis, is a species of freshwater snail, an aquatic gastropod mollusk in the family Physidae.
The Chupadera springsnail, scientific name Pyrgulopsis chupaderae, is a species of minute freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Hydrobiidae.
The Crystal Spring springsnail, scientific name Pyrgulopsis crystalis, is a species of small freshwater snail, an aquatic gastropod mollusk in the family Hydrobiidae.
The Davis County springsnail, scientific name Pyrgulopsis davisi, is a species of small freshwater snails with a gill and an operculum, aquatic gastropod mollusk in the family Hydrobiidae.
Cheatum's snail also known as the Phantom tryonia, scientific name Tryonia cheatumi, is a species of small freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae.
The grated tryonia, also known as the White River snail, scientific name Tryonia clathrata, is a species of very small or minute freshwater snail with an operculum, an aquatic gastropod mollusk in the family Hydrobiidae. This species is endemic to the United States.
