† Cerithium sinistrorsum Deshayes, 1824
Cerithium sinistrorsum Deshayes, 1824: 396, pl. 56, fig. 25–28.
Triforis sinistrorsus Deshayes, 1824 — Deshayes 1866: 237.
Triforis (Epetrium) sinistrorsa Deshayes, 1824 — Harris & Burrows 1891: 89.
Type locality. France, Grignon and Valmondois.
Type stratum. Unknown.
Type material. Type material not located so far.
Distribution. France (Deshayes 1866; Cossmann 1889; Harris & Burrows 1891; Cossmann 1897).
Geological age. Eocene (Cossmann 1889; Harris & Burrows 1891; Cossmann 1897).