From Wikipedia, the free encyclopedia
Rissooidea is a superfamily of small and minute saltwater and freshwater snails with an operculum. These gastropod mollusks are mostly marine, but the superfamily also includes some freshwater and brackish water species.
[edit] Families
- Adeorbidae (synonym of Tornidae)
- Amnicolidae Tryon, 1863
- Anabathridae Keen, 1971
- Assimineidae H.Adams & A.Adams, 1856
- Barleeidae Gray, 1857
- Bithyniidae Gray, 1857
- Caecidae Gray, 1850
- Calopiidae Ponder, 1999
- Cochliopidae Tryon, 1866
- Elachisinidae Ponder, 1985
- Emblandidae Ponder, 1985
- Epigridae Ponder, 1985
- Falsicingulidae Slavoshevskaya, 1975
- Helicostoidae Pruvot-Fol, 1937
- Hydrobiidae Stimpson, 1865
- Hydrococcidae Thiele, 1928
- Iravadiidae Thiele, 1928
- Istrianidae Starobogatov, 1983 (now synonym of Belgrandiinae de Stefani, 1877 , subfamily of Hydrobiidae)
- Lithoglyphidae Tryon, 1866
- † Mesocochliopidae Yu, 1987
- Moitessieriidae Bourguignat, 1863
- † Palaeorissoinidae Gründel & Kowalke, 2002
- Pomatiopsidae Stimpson, 1865
- Rissoidae Gray, 1847
- Sadlerianidae Starobogatov & Sitnikova, 1983 (now synonym of Belgrandiinae de Stefani, 1877 , subfamily of Hydrobiidae)
- Stenothyridae Tryon, 1866
- Tornidae Sacco, 1896 (1884)
- Truncatellidae Gray, 1840
