Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Mesonaias

species Mesonaias umbrosa (Lea, 1856): synonymy

63 specimens

Synonymy

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)
Lampsilis (Proptera) alienigenus — Simpson (1900)
Unio (Lampsilis) tampicoensis var. umbrosus — Martens (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)