Tomichia
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| Tomichia | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha |
| Superfamily: | Rissooidea |
| Family: | Pomatiopsidae |
| Subfamily: | Pomatiopsinae[1] |
| Genus: | Tomichia Benson, 1851[2] |
| Diversity[3] | |
| 11 species | |
Tomichia is a genus of very small freshwater snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae.[4]
Distribution
The distribution of the genus Tomichia includes South Africa[3] and Eastern Zaire.[5] Tomichia is the only genus of Pomatiopsidae in Africa.[5]
Ecology
This genus occurs is both freshwater and brackish water.[4] There exist halophilic species of Tomichia which live in saline lakes[3] such as Tomichia ventricosa.[5]
Species
Brown (1994)[5] recognized 10 species (7 in South Africa and 3 in Central Africa) and one undescribed species. Kameda & Kato (2011)[3] recognized 11 species of Tomichia.
Species within the genus Tomichia include:
- Tomichia cawstoni Connolly, 1939[5]
- Tomichia differens Connolly, 1939[5]
- Tomichia guillemei Leloup, 1953[5]
- Tomichia hendrickxi (Verdcourt, 1950)[5]
- Tomichia kivuensis Mandahl-Barth, 1974[5]
- Tomichia natalensis Connolly, 1939[5]
- Tomichia rogersi (Connolly, 1929)[5]
- Tomichia tristis (Morelet, 1889)[5][6] - critically endangered[7]
- Tomichia ventricosa (Reeve, 1842) - type species[5]
- Tomichia zwellendamensis (Küster, 1852)[5]
- (?)Tomichia n.sp. - reported by Cohen (1986) from Lake Turkana[5]
References
- ↑ Bouchet P., Rocroi J.-P., Frýda J., Hausdorf B., Ponder W., Valdés Á. & Warén A. (2005). "Classification and nomenclator of gastropod families". Malacologia: International Journal of Malacology (Hackenheim, Germany: ConchBooks) 47 (1-2): 1–397. ISBN 3925919724. ISSN 0076-2997.
- ↑ Benson (1851). Annals and Magazine of Natural History (2)7: 377.
- ↑ 3.0 3.1 3.2 3.3 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.
- ↑ 4.0 4.1 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
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 5.14 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.
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