Semicassis
| 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 | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| (unranked): | clade Caenogastropoda clade Hypsogastropoda clade Littorinimorpha |
| Superfamily: | Tonnoidea |
| Family: | Cassidae |
| Subfamily: | Cassinae |
| Genus: | Semicassis Mörch, 1852 [1] |
| Type species | |
| Cassis japonica Reeve, 1848 | |
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
According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus Semicassis:
- Semicassis adcocki (Sowerby III, 1896)
- Semicassis angasi (Iredale, 1927)
- Semicassis bisulcata (Schubert & Wagner, 1829)
- Semicassis bondarevi Mühlhäusser & Parth, 1993
- Semicassis bulla Habe, 1961
- Semicassis canaliculata (Bruguière, 1792)
- Semicassis centiquadrata (Valenciennes, 1832)
- Semicassis cicatricosa (Gmelin, 1791)
- Semicassis craticulata (Euthyme, 1885)
- Semicassis faurotis (Jousseaume, 1888)
- Semicassis glabrata (Dunker, 1852)
- Semicassis granulata (Born, 1778) - synonym: Phalium granulatum (Born, 1778)
- Semicassis inornata (Pilsbry, 1895)
- Semicassis labiata (Perry, 1811)
- Semicassis microstoma (Martens, 1903)
- Semicassis paucirugis (Menke, 1843)
- Semicassis pyrum (Lamarck, 1822)
- Semicassis royana (Iredale, 1914)
- Semicassis saburon (Bruguière, 1792)
- Semicassis salmonea Beu, Bouchet & Tröndlé, 2012
- Semicassis semigranosa (Lamarck, 1822)
- Semicassis sinuosa (Verco, 1904)
- Semicassis sophia (Brazier, 1872)
- Semicassis thachi Kreipl, Alf & Eggeling, 2006
- Semicassis thomsoni (Brazier, 1875)
- Semicassis umbilicata (Pease, 1861)
- Semicassis westralis Kreipl, 1997
- Semicassis whitworthi (Abbott, 1968)
- Species brought into synonymy
- Semicassis pauciruge: synonym of Semicassis paucirugis (Menke, 1843)
- Semicassis undulata (Gmelin, 1791): synonym of Semicassis granulata undulata (Gmelin, 1791)
Fossil shell of Semicassis rondoletii
Extinct Species
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
- ↑ 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.
- ↑ WoRMS : Semicassis; accessed: 17 June 2012
- ↑ Fossilworks
- Powell A. W. B. (1979). William Collins Publishers Ltd, Auckland ISBN 0-00-216906-1.
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