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 Triphora fossilis Willett, 1937 Triphora fossilis Willett, 1937: 62 , pl. 24. Type locality. United States , California , San Pedro . Type stratum. Lower part of the Timms Point formation. Type material. NHMLAC 1053 , holotype . Distribution. United States , California ( Willett 1937 ). Geological age. Pleistocene or Pliocene ( Willett 1937 ). Remarks. Willett (1937) did not specify if the Timms Point formation belongs to the Pleistocene or Pliocene.