Bivalvia | Unionida | Trigonioidoidea | Nakamuranaiadidae | Cyotrigonioides yunnanensis

nominal species Cyotrigonioides yunnanensis Guo, 1981

Cyotrigonioides yunnanensis Guo, 1981 = Cyotrigonioides yunnanensis

Guo, 1981. 12th Ann. Conf. Palaeo. Soc. China: 64, pl. 3, fig. 4.

Taxonomic Opinions

= Cyotrigonioides yunnanensis Guo (gen. nov. et sp. nov.) — Guo, 1981: 64.