Traits taxon details
original description
(of Oxynaia baibishensis Martinson, 1990 †) Martinson, G. G. (1990). Novyye nemorskiye plastinchatyye mollyuski iz melovykh otlozheniy Priaral'ya i Turgayskogo progiba [New non-marine lamellibranchs from Cretaceous deposits of the Aral Sea region and the Turgai trough]. <em>Paleontologicheskiy Zhurnal.</em> 1990(3): 17-24. page(s): 20, pl. 1, figs 8, 9 [details] Available for editors 
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