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Page last updated
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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Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Contradentini | Yaukthwa dalliana

nominal species Parreysia dalliana Frierson, 1913

Frierson, 1913. Nautilus 26: 142.
‘Gould’ Haas, 1919. Conch. Cab. 9 (pt. 2, h. 51): pl. 32, figs. 3-4.
Type(s): LECTOTYPE SMF_13699B, Lashio Fl. Lashio nordl Shan Staaten.

= Yaukthwa dalliana

Taxonomic Opinions

= Yaukthwa dalliana (Frierson, 1913) — Bolotov et al., 2022

= Yaukthwa dalliana (Frierson, 1913) — Pfeiffer et al., 2021

= Yaukthwa dalliana (Frierson, 1913) — Graf & Cummings, 2021

= Yaukthwa dalliana (Frierson, 1913) — Bolotov et al., 2020

= Yaukthwa cf. dalliana — Zieritz et al., 2020

= Yaukthwa cf. dalliana (Frierson, 1913) — Konopleva et al., 2019

= Yaukthwa cf. dalliana (Frierson, 1913) — Bolotov et al., 2019

= Yaukthwa cf. dalliana (Frierson, 1913) — Konopleva et al., 2019

+ Trapezoideus exolescens (Gould, 1843) — He & Zhuang, 2013

+ Trapezoideus foliaceus (Gould, 1843) — Haas, 1969

= Trapezoideus dallianus (Frierson) — Srinivasa Rao, 1928

= Trapezoideus dallianus (Frierson, 1913) — Prashad, 1922

= Trapezoideus dallianus (Frierson, 1913) — Haas, 1919

= Parreysia (s.s.) dalliana Frierson, 1913 — Preston, 1915
 
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