Cyllene (gastropod)

Cyllene is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the nassa mud snails or dog whelks.

Description
The shell is ovate. The spire is short, acute with the suture canaliculated. The columella is concave, smooth or finely grooved. The outer lip shows a slight sinus at the forepart and is emarginate posteriorly and grooved internally.

The acute operculum is ovate.

Species
Species within the genus Cyllene include:
 * † Cyllene angsanana K. Martin, 1921
 * Cyllene cernohorskyi Fernandes & Rolán, 1992
 * Cyllene chelonia Lorenz, 2023
 * Cyllene concinna A. Adams, 1851
 * † Cyllene desnoyersi (Basterot, 1825)
 * Cyllene fuscata A. Adams, 1851
 * † Cyllene gracilenta (Yokoyama, 1928)
 * Cyllene grayi Reeve, 1846
 * Cyllene lactea Adams & Angas, 1864
 * Cyllene lamarcki Cernohorsky, 1975
 * Cyllene lugubris Adams & Reeve, 1850
 * Cyllene orientalis A. Adams, 1851
 * Cyllene owenii Gray in Griffith & Pidgeon, 1834
 * Cyllene parvula Bozzetti, 2014
 * † Cyllene pretiosa Vredenburg, 1924
 * Cyllene pulchella Adams & Reeve, 1850
 * Cyllene royana (Iredale, 1924)
 * Cyllene rubrolineata G.B. Sowerby II, 1870
 * † Cyllene satoi Amano, 2019
 * Cyllene sibogae Schepman, 1911
 * † Cyllene smithi K. Martin, 1884
 * Cyllene sulcata G.B. Sowerby II, 1859
 * Cyllene unimaculata A. Adams, 1855
 * † Cyllene vredenburgi G upta, 1930


 * Species brought into synonymy :
 * † Cyllene degrangei Peyrot, 1927 : synonym of † Cyllene desnoyersi (Basterot, 1825)
 * Cyllene glabrata A. Adams, 1851 : synonym of Cyllene pulchella Adams & Reeve, 1850
 * † Cyllene helvetica Peyrot, 1927: synonym of † Cyllenina helvetica (Peyrot, 1927)
 * Cyllene japonica Pilsbry, 1904 : synonym of Cyllene concinna A. Adams, 1851
 * Cyllene lamarcki Cernohorsky, 1975 : synonym of Cyllene desnoyersi lamarcki Cernohorsky, 1975
 * Cyllene lyrata Lamarck: synonym of Cyllene desnoyersi lamarcki ; synonym of Cyllene lamarcki Cernohorsky, 1975
 * Cyllene lyratum (Lamarck, 1822) : synonym of Cyllene desnoyersi lamarcki Cernohorsky, 1975
 * Cyllene oblonga Schepman, 1911 : synonym of Cyllene pulchella Adams & Reeve, 1850
 * Cyllene pallida A. Adams, 1851 : synonym of Cyllene grayi Reeve, 1846
 * Cyllene plumbea Sowerby, 1859 : synonym of Cyllene grayi Reeve, 1846
 * Cyllene senegalensis Petit de la Saussaye, 1853 : synonym of Cyllene owenii Gray in Griffith & Pidgeon, 1834
 * Cyllene striata A. Adams, 1851 : synonym of Cyllene pulchella Adams & Reeve, 1850
 * Cyllene sulcata H. Adams & A. Adams, 1854: synonym of Cyllene sulcata G. B. Sowerby II, 1859
 * Cyllene varians Cossmann, 1903 : synonym of Cyllene grayi Reeve, 1846
 * Cyllene (Cyllene) bantamensis Oostingh, 1939 : synonym of Cyllene pulchella Adams & Reeve, 1850
 * Cyllene (Cyllene) lyrata (Lamarck, 1822) : synonym of Cyllene desnoyersi lamarcki Cernohorsky, 1975
 * Cyllene (Cyllene) varians Cossman, 1903 : synonym of Cyllene grayi Reeve, 1846