Traits name details
original description
(of Cyrena lunulata Yokoyama, 1904 †) Yokoyama, M. (1904). On some Jurassic fossils from Rikuzen. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 18, 1-13. page(s): 10, pl. 2, fig. 9 [details] 
basis of record
Nishida, N.; Shirai, A.; Koarai, K.; Nakada, K.; Matsukawa, M. (2013). Paleoecology and evolution of Jurassic–Cretaceous corbiculoids from Japan. <em>Palaeogeography, Palaeoclimatology, Palaeoecology.</em> 369: 239-252., available online at https://doi.org/10.1016/j.palaeo.2012.10.030 [details] Available for editors 
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