Viviparus

Taxobox
name = "Viviparus"
fossil_range= fossil range|Jurassic|Recent


image_caption = "Viviparus contectus"
image_width = 225px
status =
regnum = Animalia
phylum = Mollusca
classis = Gastropoda
subclassis = Orthogastropoda
ordo = Architaenioglossa
superfamilia = Ampullarioidea
familia = Viviparidae
genus = "Viviparus"
genus_authority = Montfort, 1810

"Viviparus", common name river snails, is a genus of large, freshwater snails with an operculum, aquatic gastropod mollusks. They are primitive members of the superorder Caenogastropoda.

Distribution

This genus is palaearctic in distribution.

The genus is known from the Jurassic to the recent periods. [(in Czech) Pek I., Vašíček Z., Roček Z., Hajn. V. & Mikuláš R.: "Základy zoopaleontologie". - Olomouc, 1996. 264 pp., ISBN 80-7067-599-3.]

ystematics

"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 [http://ipp.boku.ac.at/private/wf/Europaeische_Viviparidae_main.html] :
* "Viviparus acerosus" (Bourguignat, 1862)
* "Viviparus achatinoides"
* "Viviparus ater" (de Cristofori & Jan, 1832)
* "Viviparus bengalensis" (Lamarck)
* † "Viviparus brevis" Tournouer, 1876
** † "Viviparus brevis trochlearis" Tournouer, 1876
** † "Viviparus brevis forbesi" Tournouer, 1876
** † "Viviparus brevis brevis" Tournouer, 1876
** † "Viviparus brevis carinatus" Tournouer, 1876
** † "Viviparus brevis gorceixi" Tournouer, 1876
* "Viviparus contectus" (Millet, 1813) - Lister's river snail
* † "Viviparus crytomaphora" Brusina, 1874
* † "Viviparus diluvianus" (Kunth, 1865)
* "Viviparus georgianus"
* † "Viviparus gibbus" (Sandberger, 1880)
* † "Viviparus glacialis" (S. Wood, 1872)
* "Viviparus hellenicus" Westerlund, 1886
* "Viviparus incertus"
* "Viviparus intertextus"
* † "Viviparus kurdensis" Lörenthey, 1894
* "Viviparus mamillatus" (Küster, 1852)
* "Viviparus monardi" (Haas, 1934)
* † "Viviparus sadleri" Partsch, 1856
* "Viviparus sphaeridius" (Bourguignat, 1880)
* † "Viviparus sublentus" Oorbigny, 1850
* † "Viviparus suessoniensis" (Deshayes, 1826)
* † "Viviparus symeonidisi" Schütt, 1986
* † "Viviparus teschi" Meijer, 1990
* "Viviparus viviparus" (Linnaeus, 1758) - River snail

References

* Janus, Horst, 1965. ‘’The young specialist looks at land and freshwater molluscs’’, Burke, London