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Perotrochus

From Wikipedia, the free encyclopedia

Perotrochus
Apertural view of Perotrochus atlanticus
Scientific classification Edit this classification
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

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]

Species brought into synonymy

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

  1. ^ Fischer (1885). Man. Conch.: 850
  2. ^ G.W. Tryon (1890), Manual of Conchology vol. XII
  3. ^ WoRMS : Perotrochus; accessed : 9 September 2010
  4. ^ 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

Wikimedia Commons has media related to Perotrochus.


This Pleurotomariidae-related article is a stub. You can help Wikipedia by expanding it.

This page was last edited on 9 January 2024, at 20:05
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