MolluscaBase taxon details
original description
(of Pecten intuscostatus Yokoyama, 1920) Yokoyama, M. (1920). Fossils from the Miura Peninsula and its immediate north. <em>Journal of the College of Science, Tokyo Imperial University.</em> 39(6): 1-193, 20 pls., available online at https://www.biodiversitylibrary.org/page/6959694
page(s): 156-157, pl. 13, figs 9, 10 [details]
original description
(of Polynemamussium uschakovi Scarlato, 1960) Scarlato, O. A. (1960). Dvustvorchathy molliuski Dal'nevostochnykh Morei SSSR (otriad Dysodonta). [Bivalved mollusks of the far-eastern seas of the USSR (order Dysodonta)]. <em>Akademiia Nauk SSSR, Zoologicheskii Institut, Opredeliteli po Faune SSSR.</em> 71: 150 p., 17 pls., available online at https://doi.org/10.1080/00206816509474201 [details]
original description
(of Pecten tenuicostulatus Yokoyama, 1922 †) Yokoyama, M. (1922). Fossils from the Upper Musashino of Kazusa and Shimosa. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 44(1): viii + 1-200, pls. 1-17 [7 July 1922]., available online at http://umdb.um.u-tokyo.ac.jp/DKoseibu/pdf/Ref_0465_.pdf
page(s): 184, pl. 17, fig. 15 [details]