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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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nominal species Unio purpuriatus Say, 1831

Say, 1831. New Harm. Dissem. 1(29): [no pagination].
Say, 1858. [in] Binney, Compl. Writings T. Say: 133.
Type(s): TYPE LOST XXX_UNKNOWN, México....in a stream a few leagues from Vera‑Cruz.

= unionoid species

Taxonomic Opinions

+ Cummings et al., 2025

= Disconaias purpuriata (Say, 1831) — Czaja et al., 2023

= Disconaias purpuriata (Say, 1831) — Graf & Cummings, 2021

= Disconaias purpuriata Say, 1831 — Bogan, 2010

= Disconaias purpuriata (Say, 1831) — Graf & Cummings, 2007

= Lampsilis (Disconaias) purpuriata (Say, 1831) — Haas, 1969

= Lampsilis (Disconaias) purpuriata (Say) — Haas, 1929

= Lampsilis (Disconaias) purpuriata (Say, 1831) — Frierson, 1927

+ Nephronaias medellina (Lea, 1838) — Simpson, 1914

= Unio purpuriatus Say, 1831 — Simpson, 1914

+ Nephronaias medellinus Lea — Simpson, 1900

+ Unio (Elliptio) medellinus Lea, 1838 — Martens, 1900

+ Unio (Graphonaias) medellinus Lea, 1838 — Fischer & Crosse, 1894

= Unio purpuriatus Say — Singley, 1893

= Unio purpuriatus Say — B.H. Wright, 1888

+ Margaron (Unio) medellinus (Lea) — Lea, 1870

+ Unio medellinus Lea — Küster, 1861

= Unio purpuriatus Say, 1829 — Conrad, 1853

+ Margaron (Unio) medellinus (Lea) — Lea, 1852

+ Lea, 1838

+ Lea, 1836

= Unio purpuriatus Say — Ferussac, 1835

 
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