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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 | Ambleminae | Lampsilini | Mesonaias umbrosa nominal species Unio alienigenus Crosse & Fischer, 1894  Crosse & Fischer, 1894. J. de Conch. 41: 294.
Fischer & Crosse, 1894. Miss. Sci. Mexique, Rech. Zool. 2(16): 590, pl. 65, figs. 5-5a; pl. 66, fig. 3.
Type(s): LECTOTYPE MNHN-IM-2000-1634 (by Cummings et al., 2025: 207), Coatzacoalcos, Vera Cruz, Mexico.
= Mesonaias umbrosa Taxonomic Opinions+ Mesonaias umbrosa (Lea, 1856) — Cummings et al., 2025 = Lampsilis (Cyrtonaias) umbrosa alienigena (Crosse & Fischer, 1893) — Haas, 1969 = Lampsilis (Cyrtonaias) alienigena (Crosse & Fischer, 1893) — Frierson, 1927 = Lampsilis (Proptera) alienigena (Crosse & Fischer, 1893) — Simpson, 1914 = Lampsilis (Proptera) alienigenus (Crosse & Fischer, 1893) — Simpson, 1900 = Unio (Lampsilis) alienigenus Crosse & Fischer, 1893 — Martens, 1900 = Unio (Cyrtonaias) alienigenus Crosse & Fischer, 1893 — Fischer & Crosse, 1894
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