Iwakawatrochus urbanus is a species of sea snail in the family Trochidae, the top snails. It is the only species in the genus Iwakawatrochus.
Description The size of the shell varies between 4 mm and 10 mm.
Distribution This marine species occurs off Korea and the Philippines.
References
Higo, S., Callomon, P. & Goto, Y. (1999) Catalogue and Bibliography of the Marine Shell-Bearing Mollusca of Japan. Elle Scientific Publications, Yao, Japan, 749 pp.
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 Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia