Nomenclator, geographic and stratigraphic distribution of the family Triphoridae (Mollusca: Gastropoda) Author Bakker, Piet A. J. 0000-0003-4683-2083 hannco.bakker@naturalis.nl Author Albano, Paolo G. 0000-0003-4683-2083 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 ( Monophorus ) perversa var. subbicingulata Sacco, 1895 Triforis ( Monophorus ) perversus var. subbicingulata Sacco, 1895: 64 , pl. 3, fig. 64. Type locality. ”Colli Torinesi” (surroundings of Torrino) or “Astigiana” (area surrounding the town of Asti), Italy . Type stratum. Pliocene, Piacenzian, “Astiano” (Astian). Type material. Type material not located so far. Distribution. Italy ( Sacco 1895 ). Geological age. Pliocene ( Sacco 1895 ). Remarks. The genus Triforis is of feminine gender, therefore the name should be Triforis ( Monophorus ) perversa var. subbicingulata .