Discopsis is a genus of small sea snails, marine gastropod mollusks in the family Tornidae.
Taxonomy
Rolán & Rubio (2002: 46) hold Discopsis as a valid genus, distinct from Cochliolepis <small>Stimpson, 1858</small>, on the grounds that the latter belongs in the family Vitrinellidae and the former in Tornidae. This should be reevaluated in the perspective that both families are considered synonyms. Adam & Knudsen (1969) may have been right in placing the West African species in Cochliolepis.
Description
(Original description in Latin) The shell is discoid and very depressed, with a distinct umbilicus. The aperture is strongly oblique, and its margins are joined across the penultimate whorl by a thickened siphonal canal.
Species
Species within the genus Discopsis include:
- Discopsis aperta <small>Rolán & Rubio, 2002</small>
- â Discopsis canui <small>(de Morgan, 1920)</small>
- Discopsis costulata <small>de Folin, 1870</small>
- Discopsis dautzenbergi <small>(Adam & Knudsen, 1969)</small>
- â Discopsis destefanii <small>Reitano, Di Franco & Scuderi, 2024</small>
- Discopsis deprellus <small>(Strong, 1938)</small>
- â Discopsis europaea <small>(de Stefani, 1888)</small>
- Discopsis exmilitaris <small>Rolán & Rubio, 2002</small>
- â Discopsis falunica <small>(de Morgan, 1920)</small>
- Discopsis ferreirorum <small>Rolán & Rubio, 2002</small>
- Discopsis gruveli <small>(Dautzenberg, 1912)</small>
- Discopsis irregularis <small>Rolán & Rubio, 2002</small>
- Discopsis jullieni <small>(Adam & Knudsen, 1969)</small>
- Discopsis liliae <small>Rolán & Rubio, 2002</small>
- Discopsis militaris <small>(Jousseaume, 1872)</small>
- Discopsis nodulosa <small>Rolán & Rubio, 2002</small>
- Discopsis omalos <small>(de Folin, 1870)</small>
- â Discopsis philippii <small>Reitano, Di Franco & Scuderi, 2024</small>
- â Discopsis pontileviensis <small>(de Morgan, 1920)</small>
- â Discopsis pseudocanui <small>Landau, Ceulemans & Van Dingenen, 2018</small>
- â Discopsis pseudotinostoma <small>(Boettger, 1907)</small>
- Discopsis radians <small>(Rolán & Rubio, 1990)</small>
- Discopsis rara <small>Rolán & Rubio, 2002</small>
- Discopsis reducta <small>(Rolán & Rubio, 1990)</small>
- Discopsis similis <small>Rolán & Rubio, 2002</small>
- â Discopsis trigonostoma <small>(Basterot, 1825)</small> (accepted > unreplaced junior homonym, junior homonym of Delphinula trigonostoma Lamarck, 1822)
- â Discopsis vivianorum <small>Reitano, Di Franco & Scuderi, 2024</small>
Species brought into synonymy:
- Discopsis africana <small>Bartsch, 1915</small> : synonym of Cochliolepis planulata <small>(G.B. Sowerby III, 1892)</small>
- Discopsis alfredensis <small>Bartsch, 1915</small>: synonym of Macromphalina alfredensis <small>(Bartsch, 1915)</small>
- Discopsis apertus <small>Rolán & Rubio, 2002</small> : synonym of Discopsis aperta <small>Rolán & Rubio, 2002</small> (wrong gender agreement of specific epithet)
- Discopsis costulatus <small>de Folin, 1870</small> : synonym of Discopsis costulata <small>de Folin, 1870</small> (wrong gender agreement of specific epithet)
- Discopsis exmilitare <small>Rolán & Rubio, 2002</small> : synonym of Discopsis exmilitaris <small>Rolán & Rubio, 2002</small> (wrong gender agreement of specific epithet)
- Discopsis niasensis <small>Thiele, 1925</small>: synonym of Anticlimax niasensis <small>(Thiele, 1925)</small>
- Discopsis nodulosus <small>Rolán & Rubio, 2002</small> : synonym of Discopsis nodulosa <small>Rolán & Rubio, 2002</small> (wrong gender agreement of specific epithet)
- Discopsis padangensis <small>Thiele, 1925</small>: synonym of Anticlimax padangensis <small>(Thiele, 1925)</small>
- Discopsis rarus <small>Rolán & Rubio, 2002</small> : synonym of Discopsis rara R<small>olán & Rubio, 2002</small> (wrong gender agreement of specific epithet)
- Discopsis turtoni <small>Bartsch, 1915</small> : synonym of Cochliolepis turtoni <small>(Bartsch, 1915)</small> (original combination)
References
- Dautzenberg P., 1912 Mission Gruvel sur la côte occidentale d'Afrique (1909âÂÂ1910): Mollusques marins. Annales de l'Institut Océanographique, Paris, (Nouvelle Série) 5(3) : 1âÂÂ111, pl. 1âÂÂ3.
- Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180âÂÂ213
External links