† Triforis grignonensis Deshayes, 1866
Triforis grignonensis Deshayes, 1866: 238, pl. 82, fig. 6, 7.
Triforis grignonensis Deshayes, 1866 — Cossmann 1889: 54.
Triforis (Epetrium) grignonensis Deshayes, 1866 — Harris & Burrows 1891: 89.
Triphora grignonensis Deshayes, 1866 — Gougerot & Le Renard 1981: 54, fig. 20, 21.
Type locality. France, Grignon, Parnes, Mouchy, 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; Gougerot & Le Renard 1981).
Geological age. Eocene (Cossmann 1889; Harris & Burrows 1891; Gougerot & Le Renard 1981).