† Cerithium inversum Lamarck, 1804

Cerithium inversum Lamarck, 1804: 438, no. 9, fig. 8.

Murex inversus (Lamarck, 1804) — Costa 1829: 84.

Triforis inversus (Lamarck, 1804) — Deshayes 1866: 238, pl. 81, fig. 22, 23.

Triforis inversus non Costa — Tryon 1887: 187.

Triforis (Epetrium) inversa (Lamarck, 1804) — Harris & Burrows 1891: 89.

Triforis (Stylia) inversus (Lamarck, 1804) — Cossmann & Pissarro 1901: 61, pl. 19, fig. 29.

Triphora inversa (Lamarck, 1804) — Gougerot & Le Renard 1981: 54, fig. 30.

Type locality. France, near Paris .

Type material. Type material not located so far.

Distribution. France (Cuvier 1817; Rouault 1848; Deshayes 1866; Cossmann 1897; Cossmann & Pissarro 1901).

Geological age. Eocene (Deshayes 1866; Cossmann 1897; Cossmann & Pissarro 1901).

Remarks. Tryon (1887) considered this species a junior synonym of Trochus perversus Linnaeus, 1758 .