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Viviparus
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Caenogastropoda
Superfamily:
Cyclophoracea
Family:
Viviparidae
Formal Genus Name and Reference:
Viviparus MONTFORT, 1810
Type Species:
V. fluviorum (= Helix vivipara LINNÉ, 1758)
Images
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Synonyms
Paludina
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Jur.
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Medium-sized, mostly with smooth, convex whorls, but some species with carinate or nodosely carinate whorls. [A record from the Lower Carboniferous of England was based on an internal mold, perhaps of a marine shell, and needs confirmation before acceptance.]
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Gastropoda
Subclass:
Prosobranchia
Order:
Caenogastropoda
Superfamily:
Cyclophoracea
Family:
Viviparidae
Formal Genus Name and Reference:
Viviparus MONTFORT, 1810
Type Species:
V. fluviorum (= Helix vivipara LINNÉ, 1758)
Images
(Click to enlarge in a new window)Synonyms
Paludina
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Jur.
Beginning International Stage:
Hettangian
Fraction Up In Beginning Stage:
0
Beginning Date:
201.36
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Medium-sized, mostly with smooth, convex whorls, but some species with carinate or nodosely carinate whorls. [A record from the Lower Carboniferous of England was based on an internal mold, perhaps of a marine shell, and needs confirmation before acceptance.]