† Triforis singularis Deshayes, 1866

Triforis singularis Deshayes, 1866: 244, pl. 82, fig. 1–5.

Triforis (Ogivia) singularis Deshayes, 1866 — Harris & Burrows 1891: 89.

Triphora singularis Deshayes, 1866 — Gougerot & Le Renard 1981: 57, fig. 38–39.

Type locality. France, Grignon, Chaussy, Paris Basin.

Type stratum. Middle Eocene, Lutetian.

Type material. Type material in UCBL (pers. com. J.-M. Pacaud with PGA, 11 April 2020) .

Distribution. France (Deshayes 1866; Cossmann 1889; Harris & Burrows 1891; Cossmann 1897).

Geological age. Eocene (Cossmann 1889; Harris & Burrows 1891; Cossmann 1897).