Biology:Perotrochus
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Short description: Genus of gastropods
| Perotrochus | |
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| Apertural view of Perotrochus atlanticus | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Pleurotomariida |
| Superfamily: | Pleurotomarioidea |
| Family: | Pleurotomariidae |
| Genus: | Perotrochus Fischer, 1885[1] |
| Type species | |
| Perotrochus quoyana Fischer & Bernardi, 1856 | |
| Synonyms | |
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Pleurotomaria (Perotrochus) Fischer 1885 | |
Perotrochus is a genus of large sea snails with gills and an operculum, marine gastropod mollusks in the family Pleurotomariidae, the slit snails, (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Description
The shell has a conical shape. The base is not umbilicated. The whorls are striate or granulate. The anal fasciole is submedian or below the middle. The slit is short.[2]
Species
Extant
According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Perotrochus:[3]
- † Perotrochus allani Marwick, 1928
- Perotrochus amabilis (Bayer, 1963)
- Perotrochus anseeuwi Kanazawa & Goto, 1991
- Perotrochus atlanticus Rios & Matthews, 1968
- Perotrochus caledonicus Bouchet & Métivier, 1982
- Perotrochus charlestonensis Askew, 1987
- Perotrochus deforgesi Métivier, 1990
- Perotrochus lucaya Bayer, 1965
- † Perotrochus maoriensis (Wilckens, 1922)
- † Perotrochus marwicki C. A. Fleming, 1970
- Perotrochus maureri Harasewych & Askew, 1993
- Perotrochus metivieri Anseeuw & Goto, 1995
- Perotrochus oishii (Shikama, 1973)
- Perotrochus pseudogranulosus Anseeuw, Puillandre, Utge & Bouchet, 2015
- Perotrochus quoyanus (Fischer & Bernardi, 1856)
- Perotrochus sunderlandorum Petuch & Berschauer, 2017
- Perotrochus tosatoi Anseeuw, Goto & Abdi, 2005
- Perotrochus vicdani Kosuge, 1980
- Perotrochus wareni Anseeuw, Puillandre, Utge & Bouchet, 2015
- Species brought into synonymy
- Perotrochus africanus (Tomlin, 1948): synonym of Bayerotrochus africanus (Tomlin, 1948)
- Perotrochus boucheti Anseeuw & Poppe, 2001: synonym of Bayerotrochus boucheti (Anseeuw & Poppe, 2001)
- Perotrochus diliculum Okutani, 1979: synonym of Bayerotrochus diluculum (Okutani, 1979)
- Perotrochus gemma F. M. Bayer, 1965: synonym of Perotrochus quoyanus quoyanus (P. Fischer & Bernardi, 1856)
- Perotrochus gotoi Anseeuw, 1990: synonym of Mikadotrochus gotoi (Anseeuw, 1990)
- Perotrochus hirasei (Pilsbry, 1903): synonym of Mikadotrochus hirasei (Pilsbry, 1903)
- Perotrochus indicus Anseeuw, 1999: synonym of Bayerotrochus indicus (Anseeuw, 1999)
- † Perotrochus masoni P. A. Maxwell, 1978: synonym of † Bayerotrochus masoni (P. A. Maxwell, 1978)
- Perotrochus midas Bayer, 1965: synonym of Bayerotrochus midas (Bayer, 1965)
- Perotrochus poppei Anseeuw, 2003: synonym of Bayerotrochus poppei Anseeuw, 2003
- Perotrochus pyramus Bayer, 1967: synonym of Bayerotrochus pyramus (Bayer, 1967)
- Perotrochus tangaroanus Bouchet & Métivier, 1982: synonym of Bayerotrochus tangaroanus (Bouchet & Métivier, 1982)
- Perotrochus teramachii Kuroda, 1955: synonym of Bayerotrochus teramachii (Kuroda, 1955)
- Perotrochus westralis (Whitehead, 1987): synonym of Bayerotrochus westralis (Whitehead, 1987)
Fossil
- †P. allani , Red Bluff Tuff, New Zealand
- †P. brachoi , Otekaike Limestone, New Zealand
- †P. eocenicus , Kattachi Formation, Japan
- †P. isseli Roverato 1900, Sassello (SV), Tertiary Piedmont Basin, Italy
- †P. masoni Maxwell 1978, Otekaike Limestone, New Zealand (synonym of † Bayerotrochus masoni (P. A. Maxwell, 1978))
- †P. sismondai , Alzey Formation, Germany
- †P. (Perotrochus) hanoverensis, Castle Hayne Formation, North Carolina
- †P. (Entemnotrochus), Capay Formation, California and Swan Cay Formation, Panama
- †Pleurotomaria (Entemnotrochus) baldwini, P. (E.) schencki & P. (E.) siletzensis, Siletz River Volcanics, Oregon[4]
References
- ↑ Fischer (1885). Man. Conch.: 850
- ↑ G.W. Tryon (1890), Manual of Conchology vol. XII
- ↑ WoRMS : Perotrochus; accessed : 9 September 2010
- ↑ Hickman, 1976
Bibliography
- Hickman, C.S. 1976. Pleurotomaria (Archaeogastropoda) in the Eocene of the northeastern Pacific: a review of Cenozoic biogeography and ecology of the genus. Journal of Paleontology 50. 1090–1102.
Further reading
- Williams S.T., Karube S. & Ozawa T. (2008) Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined. Zoologica Scripta 37: 483–506
External links
Wikidata ☰ Q3127107 entry
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