informal group Architaenioglossa | superfamilia = Viviparoidea | familia = Viviparidae | familia_authority = J. E. Gray, 1847 | subdivision_ranks = Subfamilies | subdivision = Viviparidae, sometimes known as the river snails, are a family of large operculate freshwater snails, aquatic gastropod mollusks. This family is classified in the informal g...
Found on
http://en.wikipedia.org/wiki/Viviparidae
(from the article `gastropod`) ...and southern Asia to Melanesia.Superfamily ViviparaceaLarge, 2.5- to 5-cm globular pond and river snails of the Northern Hemisphere (Viviparidae) ...
Found on
http://www.britannica.com/eb/a-z/v/31
No exact match found.
