† Triforis ambigua Deshayes, 1866
Triforis ambiguous Deshayes, 1866: 240, pl. 82, fig. 15–17.
Triforis (Epetrium) ambigua Deshayes, 1866 — Harris & Burrows 1891: 89.
Triphora ambigua Deshayes, 1866 — Gougerot & Le Renard 1981: 54, fig. 8, 29.
Type locality. France, Cuise –la– Motte, Hérouval, Merein, Paris Basin .
Type stratum. Lower Eocene, Ypresian .
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).
Remarks. The genus Triforis is of feminine gender, therefore the correct spelling is Triforis ambigua .