• Source: Perotrochus

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:

† 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




References






= 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



Fischer, P. (1880-1887). Manuel de conchyliologie et de paléontologie conchyliologique, ou histoire naturelle des mollusques vivants et fossiles suivi d'un Appendice sur les Brachiopodes par D. P. Oehlert. Avec 23 planches contenant 600 figures dessinées par S. P. Woodward.. Paris: F. Savy. Published in 11 parts (fascicules), xxiv + 1369 pp., 23 pls

Kata Kunci Pencarian:

• Perotrochus
• Perotrochus quoyanus
• Perotrochus metivieri
• Perotrochus lucaya
• Perotrochus vicdani
• Bayerotrochus midas
• Perotrochus tosatoi
• Perotrochus maureri
• Perotrochus anseeuwi
• Perotrochus deforgesi