Semicassis
| Semicassis Temporal range:
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| A live individual of Semicassis undulata from Italy | |
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| Five views of a shell of Semicassis bisulcata from the Philippines | |
Scientific classification 
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| 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
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| Synonyms[2] | |
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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:
- (Sowerby III, 1896)
- (Iredale, 1927)
- Semicassis bisulcata (Schubert & Wagner, 1829)
- Semicassis bondarevi Mühlhäusser & Parth, 1993
- Habe, 1961
- (Bruguière, 1792)
- (Lamarck, 1803)
- (Valenciennes, 1832)
- (Euthyme, 1885)
- (Kilburn, 1980)
- (Kreipl & Mühlhäusser, 1996)
- Dekkers, 2013
- Semicassis faurotis (Jousseaume, 1888)
- (Kilburn, 1975)
- † (P. Marshall & Murdoch, 1920)
- (Dunker, 1852)
- Semicassis granulata (Born, 1778) - synonym: Phalium granulatum (Born, 1778)
- Semicassis inornata (Pilsbry, 1895)
- † (Bartrum & Powell, 1928)
- Semicassis labiata (Perry, 1811)
- † (C. A. Fleming, 1943)
- † (C. A. Fleming, 1943)
- (Martens, 1903)
- (Menke, 1843)
- Semicassis pyrum (Lamarck, 1822)
- Semicassis royana (Iredale, 1914)
- Semicassis saburon (Bruguière, 1792)
- (Lamarck, 1822)
- (Verco, 1904)
- † (Marwick, 1928)
- (Brazier, 1872)
- Semicassis thachi Kreipl, Alf & Eggeling, 2006
- Semicassis thomsoni (Brazier, 1875)
- (Pease, 1861)
- Semicassis undulata (Gmelin, 1791)
- Kreipl, 1997
- (Abbott, 1968)
- (Lamarck, 1822)
- Species brought into synonymy
- Semicassis cicatricosa (Gmelin, 1791): synonym of Semicassis granulata (Born, 1778)
- Semicassis pauciruge: synonym of Semicassis paucirugis (Menke, 1843)
- Semicassis salmonea Beu, Bouchet & Tröndlé, 2012: synonym of Habe, 1961
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.
- ^ a b WoRMS : Semicassis; accessed: 30 July 2020
- ^ Fossilworks
- Powell A. W. B. (1979). William Collins Publishers Ltd, Auckland ISBN 0-00-216906-1.
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Wikimedia Commons has media related to Semicassis. |
Categories:
- Cassidae
- Gastropod genera
- Extant Eocene first appearances
- Cassidae stubs