Cochliopidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks.
| Cochliopidae | |
|---|---|
 | |
| A live individual of Antrobia culveri | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Superfamily: | Truncatelloidea |
| Family: | Cochliopidae Tryon, 1866 |
| Synonyms | |
Semisalsinae Giusti & Pezzoli, 1980 | |
Paludestrina d'Orbigny, 1840 is an archaic synonym,[1] and has been placed on the Official Index of Rejected and Invalid Names by ICZN Opinion 2202.[2]
This family is in the superfamily Truncatelloidea and in the order Littorinimorpha (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Description
Cochliopidae snails are characterized by sharp, elongated spire-like structures, and can be found in rivers or brackish water.[1]
2005 taxonomy
The family Cochliopidae consists of 3 subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):[3]
Genera
Liu et al. (2001)[4] have recognized 34 genera with more than 260 species within the subfamily Cochliopinae.[4]
Strong et al. (2008)[5] have recognized 246 freshwater species within Cochliopidae.[5]
Genera within the family Cochliopidae include:
subfamily Cochliopinae
- Aphaostracon F. G. Thompson, 1968
- Coahuilix Taylor, 1966
- Cochliopa Stimpson, 1865 - type genus of the family Cochliopidae[3]
- Cochliopina Morrison, 1946
subfamily Littoridininae
- Antrobia Hubricht, 1971 - with the only species Antrobia culveri Hubricht, 1971[6] - Tumbling Creek cavesnail
- Littoridina Souleyet, 1852
- Pseudocaspia Starobogatov, 1972
- Pseudotryonia Hershler, 2001[7]
subfamily Semisalsinae - there are three genera in the subfamily Semisalsinae[8]
subfamily ? (either Cochliopinae or Littoridininae)
- Aroapyrgus H. B. Baker, 1931
- Balconorbis Hershler & Longley, 1986
- † Carinulorbis Yen, 1949
- Chorrobius Hershler, Liu & Landye, 2011[7]
- Dyris Conrad, 1871 - it has extant species and also 26 species in Miocene Pebas Formation[9]
- Emmericiella Pilsbry, 1909
- Eremopyprgus Hershler, 1999[10][11]
- † Feliconcha Wesselingh, Anderson & Kadolsky, 2006 - two species from Miocene of the Pebas Formation[9]
- (probably extant)[9] Glabertryonia Wesselingh, Anderson & Kadolsky, 2006 - three species[9]
- Juturnia Hershler, Liu & Stockwell, 2002
- Lithococcus Pilsbry, 1911
- Mesobia F. G. Thompson & Hershler, 1991
- Mexipyrgus Taylor, 1966
- Minckleyella Hershler, Liu & Landye, 2011[7] - with the only species Minckleyella balnearis Hershler, Liu & Landye, 2011[7]
- Onobops Thompson, 1968[9]
- Pyrgophorus Ancey, 1888[9]
- Sioliella Haas, 1949
- Spurwinkia Davis, Mazurkiewicz & Mandracchia, 1982
- Texadina Abbott & Ladd, 1951
- Thalassobia Bourguignat in Mabille, 1877
Cladogram
A cladogram based on sequences of mitochondrial cytochrome-c oxidase I (COI) genes showing phylogenic relations of species within Cochliopidae:[4]
| Cochliopidae |
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References
Further reading
- Hershler R., Davis C. L., Kitting C. L & Liu H.-P. (2007). "Discovery of introduced and cryptogenic cochliopid gastropods in the San Francisco Estuary, California". Journal of Molluscan Studies 73(4): 323-332. PDF.
- Hershler R. & Thompson F. G. (1992). "A Review of the Aquatic Gastropod Subfamily Cochliopinae (Prosobranchia: Hydrobiidae)". Malacological Review, Supplement 5: 1-140. pages 16–18.
- Wilke T., Haase M., Hershler R., Liu H.-P., Misof B. & Ponder W. (2013) Pushing short DNA fragments to the limit: Phylogenetic relationships of ‘hydrobioid’ gastropods (Caenogastropoda: Rissooidea). Molecular Phylogenetics and Evolution, 66: 715-736
External links
