''Coxiella'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of aquatic

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the family Tomichiidae. These snails that live in saline lakes, and have gills and an operculum.

Distribution

The distribution of genus ''Coxiella'' includes TasmaniaDavis G. M. (1979). "The origin and evolution of the gastropod family Pomatiopsidae, with emphasis on the Mekong river Triculinae". '' Academy of natural Sciences of Philadelphia'', Monograph 20: 1-120.
at Google Books
and

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

: southern Australia, central Australia and northern Queensland.

Species

Davis (1979) recognized 10 species (9 in Australia) and one subrecent species '' Coxiella badgerensis'' in Tasmania. Species within the genus ''Coxiella'' include: subgenus ''Coxiella'' * † '' Coxiella badgerensis'' (Johnston, 1879) - subrecent * '' Coxiella exposita'' Iredale, 1943 * '' Coxiella glabra'' MacPherson, 1957 * '' Coxiella glauertii'' MacPherson, 1954 * '' Coxiella minima'' MacPherson, 1954 * '' Coxiella molesta'' Iredale, 1943 * '' Coxiella pyrrhostoma'' (Cox, 1868) * '' Coxiella striata'' (Reeve, 1842) * '' Coxiella striatula'' (Menke, 1843) - type species subgenus '' Coxielladda'' Iredale & Whitley, 1938Iredale T. & Whitley (1938). '' S. Aust. Nat.'' 18(4): 66. * '' Coxiella gilesi'' (Angas, 1877)

Ecology

This genus consists of

halophilic The halophiles, named after the Greek word for "salt-loving", are extremophiles that thrive in high salt concentrations. While most halophiles are classified into the domain Archaea, there are also bacterial halophiles and some eukaryotic species, ...

species which occur in temporal and permanent saline lakes.Williams W. D. & Mellor M. W. (1991). "Ecology of ''Coxiella'' (Mollusca, Gastropoda, Prosobranchia), a snail endemic to Australian salt lakes". '' Palaeogeography, Palaeoclimatology, Palaeoecology'' 84(1-4): 339-355. .Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". '' BMC Evolutionary Biology'' 11: 118. . ''Coxiella'' snails are iteroparous. When the saline lake dries out, adults of ''Coxiella'' are able to survive.

References

{{Taxonbar, from=Q5179956 Truncatelloidea