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.
Species
Extant
According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Perotrochus:
- â Perotrochus allani <small>Marwick, 1928</small>
- Perotrochus amabilis <small>(Bayer, 1963)</small>
- Perotrochus anseeuwi <small>Kanazawa & Goto, 1991</small>
- Perotrochus atlanticus <small>Rios & Matthews, 1968</small>
- Perotrochus caledonicus <small>Bouchet & Métivier, 1982</small>
- Perotrochus charlestonensis <small>Askew, 1987</small>
- Perotrochus deforgesi <small>Métivier, 1990</small>
- Perotrochus lucaya <small>Bayer, 1965</small>
- â Perotrochus maoriensis <small>(Wilckens, 1922)</small>
- â Perotrochus marwicki <small>C. A. Fleming, 1970</small>
- Perotrochus maureri <small>Harasewych & Askew, 1993</small>
- Perotrochus metivieri <small>Anseeuw & Goto, 1995</small>
- Perotrochus oishii <small>(Shikama, 1973)</small>
- Perotrochus pseudogranulosus <small>Anseeuw, Puillandre, Utge & Bouchet, 2015</small>
- Perotrochus quoyanus <small>(Fischer & Bernardi, 1856)</small>
- Perotrochus sunderlandorum <small>Petuch & Berschauer, 2017</small>
- Perotrochus tosatoi <small>Anseeuw, Goto & Abdi, 2005</small>
- Perotrochus vicdani <small>Kosuge, 1980</small>
- Perotrochus wareni <small>Anseeuw, Puillandre, Utge & Bouchet, 2015</small>
Species brought into synonymy:
- Perotrochus africanus <small>(Tomlin, 1948)</small>: synonym of Bayerotrochus africanus <small>(Tomlin, 1948)</small>
- Perotrochus boucheti <small>Anseeuw & Poppe, 2001</small>: synonym of Bayerotrochus boucheti <small>(Anseeuw & Poppe, 2001)</small>
- Perotrochus diliculum <small>Okutani, 1979</small>: synonym of Bayerotrochus diluculum <small>(Okutani, 1979)</small>
- Perotrochus gemma <small>F. M. Bayer, 1965</small>: synonym of Perotrochus quoyanus quoyanus <small>(P. Fischer & Bernardi, 1856)</small>
- Perotrochus gotoi <small>Anseeuw, 1990</small>: synonym of Mikadotrochus gotoi <small>(Anseeuw, 1990)</small>
- Perotrochus hirasei <small>(Pilsbry, 1903)</small>: synonym of Mikadotrochus hirasei <small>(Pilsbry, 1903)</small>
- Perotrochus indicus <small>Anseeuw, 1999</small>: synonym of Bayerotrochus indicus <small>(Anseeuw, 1999)</small>
- â Perotrochus masoni <small>P. A. Maxwell, 1978</small>: synonym of â Bayerotrochus masoni <small>(P. A. Maxwell, 1978)</small>
- Perotrochus midas <small>Bayer, 1965</small>: synonym of Bayerotrochus midas <small>(Bayer, 1965)</small>
- Perotrochus poppei <small>Anseeuw, 2003</small>: synonym of Bayerotrochus poppei <small>Anseeuw, 2003</small>
- Perotrochus pyramus <small>Bayer, 1967</small>: synonym of Bayerotrochus pyramus <small>(Bayer, 1967)</small>
- Perotrochus tangaroanus <small>Bouchet & Métivier, 1982</small>: synonym of Bayerotrochus tangaroanus <small>(Bouchet & Métivier, 1982)</small>
- Perotrochus teramachii <small>Kuroda, 1955</small>: synonym of Bayerotrochus teramachii <small>(Kuroda, 1955)</small>
- Perotrochus westralis <small>(Whitehead, 1987)</small>: synonym of Bayerotrochus westralis <small>(Whitehead, 1987)</small>
Fossil
- â P. allani , Red Bluff Tuff, New Zealand
- â P. brachoi , Otekaike Limestone, New Zealand
- â P. eocenicus , Kattachi Formation, Japan
- â P. isseli , Sassello (SV), Tertiary Piedmont Basin, Italy
- â P. masoni , Otekaike Limestone, New Zealand (synonym of â Bayerotrochus masoni (P. A. Maxwell, 1978))
- â P. sismondai , Alzey Formation, Germany
- â P. (Perotrochus) hanoverensis, Castle Hayne Formation, North Carolina
- â P. (Entemnotrochus), Capay Formation, California and Swan Cay Formation, Panama
- â Pleurotomaria (Entemnotrochus) baldwini, P. (E.) schencki & P. (E.) siletzensis, Siletz River Volcanics, Oregon
References
Bibliography
Further reading
- Williams S.T., Karube S. & Ozawa T. (2008) Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined. Zoologica Scripta 37: 483âÂÂ506
External links