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Semicassis

From Wikipedia, the free encyclopedia

Semicassis
Temporal range: Eocene - Recent
A live individual of Semicassis undulata from Italy
Five views of a shell of Semicassis bisulcata from the Philippines
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Tonnoidea
Family: Cassidae
Genus: Semicassis
Mörch, 1852 [1]
Type species
Cassis japonica
Reeve, 1848
Synonyms[2]
  • Antephalium Iredale, 1927
  • Cassidea (Semicassis) Mörch, 1852
  • Cassis (Semicassis) Mörch, 1852 (original rank)
  • Faurotis Jousseaume, 1888
  • Maucassis C. A. Fleming, 1943
  • Phalium (Kahua) Marwick, 1928
  • Phalium (Semicassis) Mörch, 1852
  • Phalium (Xenogalea) Iredale, 1927
  • Semicassis (Antephalium) Iredale, 1927· accepted, alternate representation
  • Semicassis (Kahua) Marwick, 1928 †· accepted, alternate representation
  • Semicassis (Semicassis) Mörch, 1852· accepted, alternate representation
  • Semicassis (Xenophalium) Iredale, 1927
  • Tylocassis Woodring, 1928
  • Xenogalea Iredale, 1927
  • Xenophalium Iredale, 1927
  • Xenophalium (Mauicassis) C. A. Fleming, 1943
  • Xenophalium (Xenogalea) Iredale, 1927

Semicassis is a genus of medium-sized predatory sea snails, marine gastropod molluscs in the subfamily Cassinae within the family Cassidae, the helmet snails and bonnet snails.[2]

Species

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According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Semicassis:

Species brought into synonymy
  • Semicassis cicatricosa (Gmelin, 1791): synonym of Semicassis granulata (Born, 1778)
  • Semicassis diuturna Iredale, 1927: synonym of Semicassis bisulcata (Schubert & J. A. Wagner, 1829)
  • Semicassis japonica (Reeve, 1848): synonym of Semicassis bisulcata (Schubert & J. A. Wagner, 1829)
  • Semicassis miolaevigata Sacco, 1890: synonym of Semicassis saburon (Bruguière, 1792)
  • Semicassis obscura Habe, 1961: synonym of Semicassis bulla Habe, 1961
  • Semicassis pauciruge: synonym of Semicassis paucirugis (Menke, 1843)
  • Semicassis persimilis Kira, 1955: synonym of Semicassis bisulcata (Schubert & J. A. Wagner, 1829)
  • Semicassis pila (Reeve, 1848): synonym of Semicassis bisulcata (Schubert & J. A. Wagner, 1829)
  • Semicassis salmonea Beu, Bouchet & Tröndlé, 2012: synonym of Semicassis bulla Habe, 1961
Fossil shell of Semicassis rondoletii

Extinct Species

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Extinct species within this genus include:[3]

  • Semicassis aldrichi Dall 1890
  • Semicassis angasi Iredale 1927
  • Semicassis deneseplicata Martin 1916
  • Semicassis harpaeformis Lamarck 1803
  • Semicassis labiata Perry 1811
  • Semicassis monilifera Sowerby 1846
  • Semicassis oligocalantica Vredenburg 1925
  • Semicassis ovulum Ortmann 1900
  • Semicassis pyshtensis Addicott 1976
  • Semicassis reclusa Guppy 1873

Fossils of species within this genus have been found all over the world in sediments from Eocene to Quaternary (age range: 37.2 to 0.0 million years ago).

References

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  1. ^ Mörch, O.A.L. (1852) Catalogus Conchyliorum quae Reliquit D’Alphonso d’Aguirra & Gadea Comes de Yoldi, Regis Daniae Cubiculariorum Princeps, Ordinis Dannebrogici in Prima Classe & Ordinis Caroli Terth Eques. Vol. 1. L. Klein, Hafniae, 74 pp.
  2. ^ a b WoRMS : Semicassis; accessed: 30 July 2020
  3. ^ Fossilworks
  • Powell A. W. B. (1979). William Collins Publishers Ltd, Auckland ISBN 0-00-216906-1.