Semicassis inornata is a species of large sea snail, a marine gastropod mollusc in the family Cassidae, the helmet snails and bonnet snails.
Distribution This marine species occurs off Japan.
References
Goodwin (2008). Bull. Inst. Malac. Tokyo 3 (9) : 143-144
External links
Pilsbry, H. A. (1895). Catalogue of the marine shells of Japan with descriptions of new species and notes on others collected by Frederick Stearns. F. Stearns, Detroit, viii + 196 pp, 11 pls