MolluscaBase name details
original description
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): 415; plate XLVI, fig. 23 [details]
basis of record
Oyama, K. (1973). Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quarternary of the Kanto area. <em>Palaeontological Society of Japan Special Papers.</em> 17: 1-148 + 57 pls.
page(s): 19; plate 4, fig. 2 [details] Available for editors [request]