Bivalvia | Unionida

superfamily TRIGONIOIDOIDEA Cox, 1952

synonyms (6 nomina) | cladomics

Included Taxa

genus Monginellopsis da Silva, Varejão, Matos, Rodrigues, Fürsich, Skawina, Schneider, Warren, Assine & Simões, 2020: fossil only.

synonymy (1 available nomen) | 1 species

family NAKAMURANAIADIDAE Guo, 1981: fossil only.

synonymy (3 nomina) | 5 genera

family PLICATOUNIONIDAE Chen, 1988: fossil only.

synonymy (1 nomen) | 1 genus

family PSEUDOHYRIIDAE Kobayashi, 1968: fossil only.

synonymy (0 nomina) | 5 genera

family TRIGONIOIDIDAE Cox, 1952: fossil only.

synonymy (2 nomina) | 1 subfamily, 4 genera