| Tomichia | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Tomichiidae |
| Genus: | Tomichia Benson, 1851 |
| Diversity | |
| 11 species | |
Tomichia is a genus of very small freshwater snails which have a gill and an operculum, gastropod molluscs or micromolluscs in the family Tomichiidae.
Distribution
The distribution of the genus Tomichia includes South Africa and Eastern Zaire. Tomichia is the only genus of Pomatiopsidae in Africa.
Ecology
This genus occurs is both freshwater and brackish water. There exist halophilic species of Tomichia which live in saline lakes such as Tomichia ventricosa.
Species
Brown (1994) recognized 10 species (7 in South Africa and 3 in Central Africa) and one undescribed species. Kameda & Kato (2011) recognized 11 species of Tomichia.
Species within the genus Tomichia include:
- Tomichia cawstoni Connolly, 1939
- Tomichia differens Connolly, 1939
- Tomichia guillemei Leloup, 1953
- Tomichia hendrickxi (Verdcourt, 1950)
- Tomichia kivuensis Mandahl-Barth, 1974
- Tomichia natalensis Connolly, 1939
- Tomichia rogersi (Connolly, 1929)
- Tomichia tristis (Morelet, 1889) - critically endangered
- Tomichia ventricosa (Reeve, 1842) - type species
- Tomichia zwellendamensis (Küster, 1852)
- (?)Tomichia n.sp. - reported by Cohen (1986) from Lake Turkana
References
- Benson (1851). Annals and Magazine of Natural History (2)7: 377.
- ^ Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". BMC Evolutionary Biology 11: 118. doi:10.1186/1471-2148-11-118.
- ^ Rosenberg, G. (2010). Tomichia Benson, 1851. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=405098 on 2011-04-04
- ^ Brown D. S. (1994). Freshwater Snails of Africa and their Medical Importance. Taylor & Francis. ISBN 0-7484-0026-5.
- WoRMS (2010). Tomichia tristis. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=405099 on 2011-04-04
- Kristensen T. K., Stensgaard A-S. & Appleton C. (2007). Tomichia tristis. In: IUCN 2010. IUCN Red List of Threatened Species. Version 2010.4. <www.iucnredlist.org>. Downloaded on 30 May 2011.
External links
- Davis G. M. (1981). "Different Modes of Evolution and Adaptive Radiation in the Pomatiopsidae (Prosobranchia: Mesogastropoda)". Malacologia 21(1-2): 209-262.
- Verdcourt B. (1951). "The distribution of the genus Tomichia Benson in Africa". Revue de Zoologie et de Botanique Africaines 44: 173-174.
- Verdcourt B. (1960). "A further collection of Tomichia hendrickxi (Verdcourt) from the Belgian Congo". Basteria 24: 3.
| Taxon identifiers | |
|---|---|
| Tomichia | |