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Tomichia is a genus of very small freshwater snails which have a gill and an operculum, gastropod molluscs or micromolluscs in the family Tomichiidae.[3]
| Tomichia | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Tomichiidae |
| Genus: | Tomichia Benson, 1851[1] |
| Diversity[2] | |
| 11 species | |
The distribution of the genus Tomichia includes South Africa[2] and Eastern Zaire.[4] Tomichia is the only genus of Pomatiopsidae in Africa.[4]
This genus occurs is both freshwater and brackish water.[3] There exist halophilic species of Tomichia which live in saline lakes[2] such as Tomichia ventricosa.[4]
Brown (1994)[4] recognized 10 species (7 in South Africa and 3 in Central Africa) and one undescribed species. Kameda & Kato (2011)[2] recognized 11 species of Tomichia.
Species within the genus Tomichia include:
- Tomichia cawstoni Connolly, 1939[4]
- Tomichia differens Connolly, 1939[4]
- Tomichia guillemei Leloup, 1953[4]
- Tomichia hendrickxi (Verdcourt, 1950)[4]
- Tomichia kivuensis Mandahl-Barth, 1974[4]
- Tomichia natalensis Connolly, 1939[4]
- Tomichia rogersi (Connolly, 1929)[4]
- Tomichia tristis (Morelet, 1889)[4][5] - critically endangered[6]
- Tomichia ventricosa (Reeve, 1842) - type species[4]
- Tomichia zwellendamensis (Küster, 1852)[4]
- (?)Tomichia n.sp. - reported by Cohen (1986) from Lake Turkana[4]
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