Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Quadrulini | Megalonaias nervosa

nominal species Unio eightsii Lea, 1860

image of type lot

Unio eightsii Lea, 1860 = Megalonaias nervosa

Lea, 1860. Proc. Acad. Nat. Sci. 12: 306.
Lea, 1860. Jour. Acad. Nat. Sci. 4 [O. 8]: 367 [49], pl. 64, fig. 192.
HOLOTYPE (MONOTYPY) USNM_83991 (by R.I. Johnson, 1974: 51), Sabinas R., Nuevo Leon, Mexico.

Taxonomic Opinions

+ Megalonaias nervosa (Rafinesque, 1820) — Cummings et al., 2025: 451.

lectotype USNM 83991 (by R.I. Johnson, 1974: 51)

+ Megalonaias nervosa (Rafinesque, 1820) — Pfeiffer et al., 2018: 147.

+ Megalonaias nervosa (Rafinesque, 1820) — Watters et al., 2009: 191.

+ Megalonaias nervosa (Rafinesque, 1820) — Williams et al., 2008: 452.

+ Megalonaias nervosa (Rafinesque, 1820) — R.I. Johnson, 1999: 15.

lectotype USNM_83991 (by R.I. Johnson, 1999: 15) — Sabinas River, [State of] New [Nuevo] Leon, Mexico.

+ Megalonaias nervosa (Rafinesque, 1820) — Parmalee & Bogan, 1998: 159.

+ Megalonaias nervosa (Rafinesque, 1820) — Howells et al., 1996: 81.

+ Megalonaias gigantea gigantea (Barnes) — Haas, 1969: 285.

+ Amblema (Megalonaias) gigantea (Barnes, 1823) — Frierson, 1927: 62.

+ Quadrula (sec. Crenodonta) (Group of Q. plicata) heros (Say) — Simpson, 1914: 826.

- UNASSIGNED — de Gregorio, 1914: 43.

+ Quadrula (sec. Crenodonta) heros Say — Simpson, 1900: 771.

+ Unio (Crenodonta) digitatus Morelet, 1851 — Martens, 1900: 492.

+ Unio multiplicatus Lea, 1830-31 — Call, 1895: 29.

= Unio (Plectomerus) eightsii I. Lea, 1860 — Fischer & Crosse, 1894: 564.

= Unio eightsii Lea — Singley, 1893: 322.

= Unio eightsii Lea — B.H. Wright, 1888: [2].

= Margaron (Unio) eightsii (Lea) — Lea, 1870: 29.