Bivalvia

nominal species Sinomya biconcava Pogorevich, 1977

Sinomya biconcava Pogorevich, 1977 = nomen dubium

Pogorevich, 1977. Paleozoic USSR: 57, pl. 19, figs. 7-8.

Taxonomic Opinions

= Sinomya biconcava sp. nov. — Pogorevich, 1977: 57, pl. 19, figs. 7-8.