Triforis purpurata Pilsbry, 1895
Triforis purpuratus Pilsbry, 1895: 58 .
Triphora purpurata Pilsbry, 1895 — Kuroda & Habe 1952: 91.
Type locality. Japan, Kamakura, eastern Sagami bay, central Honshű .
Type material. ANSP 56881, syntype .
Distribution. Japan (Pilsbry 1895; Kuroda & Habe 1952; Higo et al. 1999; Higo et al. 2001).
Remarks. The genus Triforis is of feminine gender, therefore the name should be Triforis purpurata . Kuroda et al. (1971) considered Triforis purpurata Pilsbry, 1895 a junior synonyms of Triphoris conspersa E.A. Smith, 1875 .