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Page last updated
Mon 24 Jun 2019

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 Yen (1952), 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

Yen, T.-C. 1952. Molluscan fauna of the Morrison Formation. U.S. Geol. Surv. Prof. Pap. 233-B: 21-51.

Attributed Genus Names

Hadrodon Yen, 1952
Yen, 1952, U.S. Geol. Surv. Prof. Pap. 233-B: 37.
Type species: Hadrodon jurassicus Yen, 1952 (orig. desig.) = Hadrodon jurassicus

Attributed Species Names

Unio stewardi utahensis Yen, 1952
Yen, 1952, U.S. Geol. Surv. Prof. Pap. 233-B: 36, pl. 3, figs. 3a-e.
(intro'd as intra-sp. of Unio stewardi White, 1876)

Unio mammillaris Yen, 1952
Yen, 1952, U.S. Geol. Surv. Prof. Pap. 233-B: 36, pl. 4, figs. 1a-e.

Hadrodon trigonus Yen, 1952
Yen, 1952, U.S. Geol. Surv. Prof. Pap. 233-B: 38, pl. 4, figs. 3a-f; pl. 5, figs. 1a-d.

Hadrodon lateralis Yen, 1952
Yen, 1952, U.S. Geol. Surv. Prof. Pap. 233-B: 38, pl. 5, figs. 2a-f.

Hadrodon jurassicus Yen, 1952
Yen, 1952, U.S. Geol. Surv. Prof. Pap. 233-B: 37, pl. 4, figs. 2a-f.

Taxonomic Opinions

Hadrodon jurassicus n. sp.

Hadrodon lateralis n. sp.

Hadrodon trigonus n. sp.

Unio baileyi Logan

Unio felchi White

Unio iridoides White

Unio knighti Logan

Unio lapilloides White

Unio macropisthus White

Unio mammillaris n. sp.

Unio nucalis Meek and Hayden

Unio stewardi White

Unio stewardi utahensis n. sp.

Unio toxonotus White

Unio willistoni Logan

Vetulonaia faberi Holt

Vetulonaia mayoworthensis Branson

Vetulonaia whitei Branson

Page updated: 12:10:40 Mon 24 Jun 2019

 
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