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Page last updated
Thu 3 September 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 | Rectidentini | Rectidentina | Hyriopsis

species Hyriopsis velthuizeni (Schepman, 1896): synonymy
     3 specimens

Unio velthuizeni Schepman, 1896
Schepman, 1896. Notes Leyden Mus. 17: 160, pl. 4, figs. 1-1a.
Type(s): SYNTYPE RMNH_MOL_337637, Mandai River near Nanga Kalis.

Hyriopsis (s.s.) velthuzeni [sic]Simpson (1900)
Hyriopsis (s.s.) velthuizeniSimpson (1914)
Hyriopsis velthuizeniHaas (1924), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021), Sahidin et al. (2021), Zieritz et al. (2024)

Hyriopsis velthuzeni Simpson, 1900
‘Schepman’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 581.
(error for Unio velthuizeni Schepman, 1896)

Hyriopsis (s.s.) velthuizeniSimpson (1914)
Hyriopsis velthuizeniHaas (1924)

Taxonomic History (since 1900)

Hyriopsis (s.s.) velthuzeni [sic]Simpson (1900)
Hyriopsis (s.s.) velthuizeniSimpson (1914)
Hyriopsis velthuizeniHaas (1924), Haas (1969), Graf & Cummings (2007), Bogan (2010), Zieritz et al. (2018), Zieritz et al. (2020), Pfeiffer et al. (2021), Graf & Cummings (2021), Sahidin et al. (2021), Zieritz et al. (2024)

 
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