Nomenclator, geographic and stratigraphic distribution of the family Triphoridae (Mollusca: Gastropoda) Author Bakker, Piet A. J. 0000-0003-4683-2083 Naturalis Biodiversity Center, Darwinweg 2, 2333 CR Leiden, The Netherlands. hannco.bakker@naturalis.nl Author Albano, Paolo G. 0000-0003-4683-2083 Stazione Zoologica Anton Dohrn, Villa Comunale, Naples, Italy. hannco.bakker@naturalis.nl text Zootaxa 2022 2022-01-11 5088 1 1 216 journal article 10.11646/zootaxa.5088.1.1 1175-5326 5836536 904D8C6D-A0C0-4D5A-960F-AEBACE141DF0 † 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 .