order TRIGONIIDA

Included Taxa

superfamily TRIGONIOIDEA Lamarck, 1819: no Recent freshwater species in the MUSSELpdb.

synonymy (2 nomina) | 1 family

superfamily PSEUDOCARDINIOIDEA Martinson, 1961: fossil only.

synonymy (2 nomina) | 2 families

superfamily TRIGONIOIDOIDEA Cox, 1952: fossil only.

synonymy (7 nomina) | 1 genus, 5 families

superfamily TRIGONODOIDEA Modell, 1942: fossil only.

synonymy (2 nomina) | 1 family