Traits taxon details
original description
Ragozin, L. A. (1958). Dvustvorchatyye mollyuski-Mrassiyelly v uglenosnykh otlozheniyakh Kuzbassa [Bivalve molluscs-<i>Mrassiella</i> in coal-bearing deposits of Kuzbass]. <em>Acta Palaeontologica Sinica.</em> 6(1): 1-34, pl. 1. page(s): 12, 29-30, pl. 1, fig. 9, textfig. 10 [details] Available for editors 
basis of record
Spasskaya, I. S. (1964). Novyye nakhodki alykayevskikh peletsipod v Noril'skom rayone [New finds of Alykaevian pelecypods in the Norilsk region]. <em>Voprosy Geologii Krasnoyarskogo Kraya.</em> 1964: 174-193. Izdatel'stvo Moskovskogo universiteta, Moskva. page(s): 177-178, pl. 1, fig. 4 [details] Available for editors 
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