Viviparus

Viviparus Temporal range: Jurassic–Recent PreЄ Є O S D C P T J K Pg N
Apertural view of a shell of Viviparus contectus with operculum in place
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
(unranked):	clade Caenogastropoda informal group Architaenioglossa
Superfamily:	Viviparoidea
Family:	Viviparidae
Subfamily:	Viviparinae
Genus:	Viviparus Montfort, 1810
Synonyms
Contectiana Bourguignat, 1880 (junior synonym) Contectiana (Contectiana) Bourguignat, 1880 (junior synonym) Paludina Férussac, 1812 Paludina (Vivipara) Montfort, 1810 (Paludina is a junior synonym of Viviparus) Vivipara (incorrect subsequent spelling)

informal group Architaenioglossa

Viviparus, common name the river snails, is a genus of large, freshwater snails with an operculum, aquatic gastropod mollusks.

They are primitive members of the clade Caenogastropoda. The old name of the genus used to be Paludina.

This genus is palaearctic in distribution, and is known from the Jurassic to the Recent periods.

Viviparus belongs to the subfamily Viviparinae. Its taxonomy is currently under development and many of its species are often included in other related genera. It includes the following species:

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