Bivalvia | Unionida

superfamily TRIGONIOIDOIDEA Cox, 1952: synonymy

2 genera, 7 families

Synonyms

NAKAMURANAIADOIDEA Guo, 1981

Guo, 1981. 12th Ann. Conf. Palaeo. Soc. China: 61.
Type genus: Nakamuranaia Suzuki, 1943 = Nakamuranaia

AMERICUNIONOIDEA Guo, 1986

Guo, 1986. Yunnan Geol. 5(4): 342, 347.
Type genus: Americunio Guo, 1986 = Americunio

NIPPONONAIOIDEA Chen, 1987

Chen, 1987. unknown publication: ??.
Type genus: Nippononaia Suzuki, 1941 = Nippononaia

PLICATOUNIONOIDEA Chen, 1987

Chen, 1987. unknown publication: ??.
Type genus: Plicatounio Kobayashi & Suzuki, 1936 = Plicatounio

SINONAIOIDEA Chen, 1987

Chen, 1987. unknown publication: ??.
Type genus: Sinonaia Guo, 1981 = Sinonaia

TRIGONIOIDOIDEA Cox, 1952

Cox, 1952. unknown publication: ??.
Type genus: Trigonioides Kobayashi & Suzuki, 1936 = Trigonioides