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Wed 1 October 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!

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Publication Evanoff et al. (1998): summary
     publication summary

Complete Citation

Evanoff, E., S.C. Good & J.H. Hanley. 1998. An overview of the freshwater mollusks from the Morrison Formation (Upper Jurassic, Western Interior, USA). Modern Geology 22: 423-450. Available electronically.

Attributed Nominal Species

Unio irroides Evanoff et al., 1998
‘White’ Evanoff et al., 1998. Modern Geology 22: 427, Table 1.
(error for Unio iridoides White, 1886)

Taxonomic Opinions

“Unio” baileyi Logan = Unio baileyi

“Unio” felchi White, 1886 = Elliptio felchii

“Unio” irroides [sic] White, 1886 = Unio iridoides

“Unio” knighti Logan, 1900 = Unio knightii

“Unio” lapilloides White, 1886 = Unio lapilloides

“Unio” macropisthus White, 1886 = Unio macropisthus

“Unio” mammillaris Yen, 1952 = Unio mammillaris

“Unio” nucalis Meek & Hayden, 1858 = Unio nucalis

“Unio” stewardi White, 1876 = Pleurobema stewardi

“Unio” stewardi utahensis Yen, 1952 = Pleurobema stewardi

“Unio” toxonotus White, 1886 = Lampsilis toxonotus

“Unio” willistoni Logan, 1900 = Unio willistoni

Hadrodon jurassicus Yen, 1952

Hadrodon lateralis Yen, 1952

Hadrodon trigonus Yen, 1952

Vetulonaia faberi Holt, 1942

Vetulonaia mayoworthensis Branson, 1935

Vetulonaia whitei Branson, 1935

 
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