Hydrobiidae, commonly known as mud snails, is a large cosmopolitan family of very small freshwater and brackish water snails with an operculum; they are in the order Littorinimorpha.
Amnicolidae is a family of small freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the superfamily Rissooidea.
Vitrina pellucida is species of small land snail, a terrestrial pulmonate gastropod mollusk in the family Vitrinidae, the glass snails.
Parafossarulus manchouricus is a species of freshwater snail with gills and an operculum, an aquatic prosobranch gastropod mollusk in the family Bithyniidae.
Jules René Bourguignat was a French malacologist, a scientist who studied mollusks. He served as secretary-general of the Société malacologique de France. He traveled widely, visiting, for example, Lake Tanganyika and North Africa. He reportedly defined 112 new genera and around 2540 new species of mollusks.
Pyrgula is a genus of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Hydrobiidae.
Aleksei Alekseevich Korotnev was a Russian zoologist.
Radix natalensis is a species of freshwater snail, an aquatic gastropod mollusc in the family Lymnaeidae.
Benedictia is a genus of freshwater snails with an operculum, aquatic gastropod molluscs or micromolluscs in the family Lithoglyphidae.
Turricaspia is a genus of aquatic snails which includes marine snails, brackish water snails and freshwater snails which all have a gill and an operculum, aquatic gastropod mollusks in the family Hydrobiidae. Turricaspia is the type genus of the Turricaspiinae, which is a synonym of Pyrgulinae.
Amuropaludina pachya is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae.
Amuropaludina chloantha is a species of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae.
Megalovalvata baicalensis is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Valvatidae, the valve snails.
Choanomphalus is a genus of air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Planorbidae, the ram's horn snails, or planorbids. All species in this genus have sinistral or left-coiling shells.
Benedictia maxima is a species of freshwater snail with an operculum, an aquatic gastropod mollusc in the family Lithoglyphidae.
Choanomphalus maacki is a species of freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails, or planorbids.
Choanomphalus aorus is a species of freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails, or planorbids.
Teratobaikalia macrostoma is a species of a freshwater snail with an operculum, an aquatic gastropod mollusk in the family Amnicolidae.
Maackia raphidia is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Amnicolidae.
Maackia is a genus of freshwater snails with an operculum, an aquatic gastropod mollusk in the family Amnicolidae.
