MUSSELpdb | superfamily Trigonioidoidea Cox, 1952 syonymy

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Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

Bivalvia | Unionoida

superfamily TRIGONIOIDOIDEA Cox, 1952: syonymy
1 genus, 4 families

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

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