Calliostoma tsuchiyai is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.
Taxonomy Some authors place this taxon in the subgenus Calliostoma (Tristichotrochus).
Distribution This marine species occurs off Japan.
References
Higo, S., Callomon, P. & Goto, Y. (1999). Catalogue and bibliography of the marine shell-bearing Mollusca of Japan. Osaka. : Elle Scientific Publications. 749 pp.