| 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!
Search the database pages:
Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Mesonaias species Mesonaias umbrosa (Lea, 1856): synonymy
63 specimens Unio umbrosus Lea, 1856
 Lea, 1856. Proc. Acad. Nat. Sci. 8: 95.
 Lea, 1857. Jour. Acad. Nat. Sci. 3 [O. 6]: 311 [31], pl. 30, fig. 26.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_84848 (by R.I. Johnson, 1974: 151), Medellin R., Mexico.
Lampsilis (Proptera) umbrosus — Simpson (1900)
Unio (Lampsilis) tampicoensis var. umbrosus — Martens (1900)
Lampsilis umbrosus — Pilsbry (1904)
Lampsilis (Proptera) umbrosa — Simpson (1914)
Lampsilis (Cyrtonaias) umbrosa — Frierson (1927), Haas (1929)
Lampsilis (Cyrtonaias) umbrosa umbrosa — Haas (1969)
Cyrtonaias umbrosa — Contreras-Arquieta (2000), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Lampsilis umbrosa — Contreras-Arquieta (2000)
Mesonaias umbrosa — Cummings et al. (2025) | |
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.
Lampsilis (Proptera) alienigenus — Simpson (1900)
Unio (Lampsilis) alienigenus — Martens (1900)
Lampsilis (Proptera) alienigena — Simpson (1914)
Lampsilis (Cyrtonaias) alienigena — Frierson (1927)
Lampsilis (Cyrtonaias) umbrosa alienigena — Haas (1969)
Mesonaias umbrosa — Cummings et al. (2025) | |
Taxonomic History (since 1900)Lampsilis (Proptera) umbrosus — Simpson (1900)
Unio (Lampsilis) tampicoensis var. umbrosus — Martens (1900)
Lampsilis (Proptera) alienigenus — Simpson (1900)
Unio (Lampsilis) alienigenus — Martens (1900)
Lampsilis umbrosus — Pilsbry (1904)
Lampsilis (Proptera) umbrosa — Simpson (1914)
Lampsilis (Proptera) alienigena — Simpson (1914)
Lampsilis (Cyrtonaias) umbrosa — Frierson (1927), Haas (1929)
Lampsilis (Cyrtonaias) alienigena — Frierson (1927)
Lampsilis (Cyrtonaias) umbrosa umbrosa — Haas (1969)
Lampsilis (Cyrtonaias) umbrosa alienigena — Haas (1969)
Cyrtonaias umbrosa — Contreras-Arquieta (2000), Graf & Cummings (2007), Bogan (2010), Graf & Cummings (2021), Czaja et al. (2023)
Lampsilis umbrosa — Contreras-Arquieta (2000)
Mesonaias umbrosa — Cummings et al. (2025)
|
