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 † Trifora dux Boettger, 1907 Trifora dux Boettger, 1907: 144 . Triforis dux Boettger, 1907 — Zilch 1934: 226 , pl. 9, fig. 60a, b. Triphora dux Boettger, 1907 — Baluk 1975: 169 , pl. 20, fig. 2. Type locality. Romania , Kostej , Valea semini . Type stratum. Middle Miocene. Type material. Type material not located so far. Distribution. Poland ( Baluk 1975 ), Romania ( Boettger 1907 ; Zilch 1934 ). Geological age. Miocene ( Boettger 1907 ; Zilch 1934 ; Baluk 1975 ).