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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!


Publication Lea (1856): summary
     publication summary

Complete Citation

Lea, I. 1856. Description of a new species of Triquetra, Klein (Hyria, Lamarck). Proceedings of the Academy of Natural Sciences of Philadelphia 8: 79. Available electronically.

Attributed Nominal Species

Plagiodon isocardiodes Lea, 1856
Lea, 1856. Proc. Acad. Nat. Sci. 8: 79.
Lea, 1857. Jour. Acad. Nat. Sci. 3 [O. 6]: 318 [38], pl. 32, fig. 32 [as ‘isocardioides’].
(renamed Plagiodon isocardioides Lea, 1857)

Triquetra lanceolata Lea, 1856
Lea, 1856. Proc. Acad. Nat. Sci. 8: 79.
(renamed Triquetra contorta Lea, 1857)

Taxonomic Opinions

Triquetra lanceolata new species = Lanceolaria lanceolata

 
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