| 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 | |
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]
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:
Neritidae, common name the nerites, is a taxonomic family of small to medium-sized saltwater and freshwater snails which have a gill and a distinctive operculum. The family Neritidae includes marine genera such as Nerita, marine and freshwater genera such as Neritina, and freshwater and brackish water genera such as Theodoxus.
Cipangopaludina is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Viviparidae.
Batillaria is a genus of small salt marsh or mudflat snails, marine gastropod mollusks in the family Batillariidae, the horn snails.
Thapsia buraensis is a species of air-breathing land snail or semi-slug, a terrestrial pulmonate gastropod mollusc in the family Urocyclidae.
Thapsia grandis is a species of air-breathing land snail or semi-slug, a terrestrial pulmonate gastropod mollusc in the family Urocyclidae.
Tomichia cawstoni is a species of very small freshwater snails which have a gill and an operculum, gastropod molluscs or micromolluscs in the family Tomichiidae.
Tricula is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Pomatiopsidae.
Pomatiopsidae is a family of small, mainly freshwater snails, that have gills and an operculum, aquatic gastropod mollusks in the superfamily Truncatelloidea.
Clea is a genus of freshwater snails with opercula, aquatic gastropod mollusks in the subfamily Anentominae of the family Nassariidae, a family, almost all of the rest of which are marine.
Cleopatra is a genus of freshwater snails with an operculum, aquatic gastropod molluscs in the family Paludomidae within the subfamily Cleopatrinae.
Parafossarulus is a genus of freshwater snails with gills and an operculum, an aquatic prosobranch gastropod mollusks in the family Bithyniidae.
Rhachistia is a genus of air-breathing land snails, terrestrial pulmonate gastropod molluscs in the family Cerastidae.
Tomichia tristis is a species of very small freshwater or brackish snail with a gill and an operculum, gastropod mollusc or micromollusc in the family Tomichiidae.
Pseudocleopatra broecki is a species of freshwater snail with an operculum, an aquatic gastropod mollusc in the family Paludomidae.
Cecina is a genus of sea snails which have a gill and an operculum, gastropod mollusks or micromollusks in the family Pomatiopsidae.
Blanfordia is a genus of terrestrial gastropod mollusks in the family Pomatiopsidae. They are land snails which have an operculum.
Fukuia integra, also known as Blanfordia integra, is a species of land snail which has an operculum, a terrestrial gastropod mollusk in the family Pomatiopsidae.
Fukuia ooyagii is a species of freshwater snail which has an operculum, an aquatic gastropod mollusk in the family Pomatiopsidae.
Gittenedouardia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Cerastidae.