Inquisitor cosibensis is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.Worldwide Mollusc Species Data Base: Inquisitor cosibensis

Distribution This extinct marine species was found in Pliocene strata in the Koshiba Formation at Kanagawa, Japan.

References

Yokoyama, Matajiro. "Fossils from the Miura Peninsula and its immediate north." Journal of the College of Science, Tokyo Imperial University 39 (1920): 1–198. Taki, I. and Oyama, K., 1954: Matajiro Yokoyama's the Pliocene and later faunas from the Kwanto region in Japan. Palaeontological Society of Japan, Special Papers, no. 2, pp. 1–68, pls. 1–49. Oyama, K., 1973: Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quaternary of the Kanto area. Palaeontological Society of Japan, Special Papers, no. 17, pp. 1–148, pls. 1–57.

External links University of Tokyo: Etremopa cosibensis (Yokoyama, 1920) Lectotype University of Tokyo: Inquisitor cosibensis