Page last updated
Tue 09 Jul 2024

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!

This page documents data for Walker (1918), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work.

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Publication information

Walker, B. 1918. Notes on North American naides, I. Occasional Papers of the Museum of Zoology, University of Michigan (49): 1-6.

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Attributed Genus Names

Pterosygna Simpson, 1900
‘Rafinesque’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 665.
Ortmann, 1909, Ann. Carnegie Mus. 5: 196.
Simpson, 1914, Descr. Cat. Naiades: 490.
Ortmann, 1914, Nautilus 28(4): 43.
Walker, 1918, Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 147.
Haas, 1930, Senckenbergiana 12(6): 326.
(error for Pterosyna Rafinesque, 1831)

Platynaias Walker, 1918
Walker, 1918, Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 33.
Type species: Symphynota compressa Lea, 1829 (orig. desig.) = Platynaias compressa

Taxonomic Opinions

Calceola calceolus (Lea)
+ Calceola angulata Swainson, 1840

Lastena lata (Raf.)
+ Unio dehiscens Say, 1829

Simpsoniconcha ambigua (Say)

Unio complanatus Dillwyn, 1817
+ Unio violaceus Spengler, 1793

Page updated: 15:27:25 Tue 09 Jul 2024

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