species Actinonaias medellina (Lea, 1838): synonymy

Unio medellinus Lea, 1838

Lea, 1836. Synopsis Fam. Naiades: 26. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 39, pl. 12, fig. 34.
Type(s): LECTOTYPE ANSP_9679 (by Johnson & Baker, 1973: 161), Vera Cruz, Mex.

Nephronaias medellinus — Simpson (1900), Ihering (1901)
Unio (Elliptio) medellinus — Martens (1900)
Nephronaias medellina — Simpson (1914)
Actinonaias medellinus — Frierson (1917)
Lampsilis (Actinonaias) meddellina [sic] — Frierson (1927)
Lampsilis (Actinonaias) medellina — Haas (1929)
Actinonaias medellina — Thiele (1934), Haas (1969), Graf & Cummings (2007), Bogan (2010), Bogan (2013), Graf & Cummings (2021), Czaja et al. (2023), Cummings et al. (2025)

Unio veracruzensis Lea, 1868

Lea, 1868. Proc. Acad. Nat. Sci. 20: 150.
Lea, 1868. Jour. Acad. Nat. Sci. 6 [O. 12]: 320 [80], pl. 52, fig. 133.
Type(s): HOLOTYPE (MONOTYPY) USNM_25432, Vera Cruz, Mexico.

Lampsilis (Proptera) umbrosus — Simpson (1900)
Unio (Elliptio) medellinus — Martens (1900)
Lampsilis (Proptera) umbrosa — Simpson (1914)
Lampsilis (Cyrtonaias) umbrosa — Frierson (1927)
Lampsilis (Cyrtonaias) umbrosa umbrosa — Haas (1969)
Actinonaias medellina — Cummings et al. (2025)

Lampsilis (Actinonaias) meddellina Frierson, 1927

‘Lea’ Frierson, 1927. Check List N. Amer. Naiades: 84.
(error for Unio medellinus Lea, 1838)