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 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 ).