MolluscaBase taxon details
original description
(of Odostomia (Odostomia) optata Yokoyama, 1927) Yokoyama M. (1927). Mollusca from the Upper Musashino of Tokyo and its suburbs. <em>Journal of the Faculty of Science, Imperial University of Tokyo. Section II, Geology, Mineralogy, Geography, Seismology.</em> 1(10): 391–437, pls 46-50., available online at http://umdb.um.u-tokyo.ac.jp/DKoseibu/pdf/Ref_0488_.pdf
page(s): 420, pl. 47, fig. 11 [details]
basis of record
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.
page(s): 360 [details]