Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Sphenonaias plexus

nominal species Unio carbonarius Lea, 1838

Unio carbonarius Lea, 1838 = Sphenonaias plexus

Lea, 1836. Synopsis Fam. Naiades: 19. [nomen nudum]
Lea, 1838. Trans. Amer. Phil. Soc. 6 [O. 2]: 37, pl. 11, fig. 32.
Type(s): LECTOTYPE [AS HOLOTYPE] USNM_84080A (by Johnson & Baker, 1973: 150), River Medellin, Vera Cruz, Mexico.

Taxonomic Opinions

+ Sphenonaias plexus (Conrad, 1838) — Cummings et al., 2025: 342, pl. 71 middle right.

+ Barynaias plexus (Conrad, 1838) — Haas, 1969: 247.

+ Psoronaias plexus (Conrad, 1838) — Frierson, 1927: 63.

+ Unio (sec. Elliptio) plexus Conrad, 1838 — Simpson, 1914: 590.

+ Unio (sec. Elliptio) plexus Conrad, 1838 — Simpson, 1900: 701.

= Unio (Elliptio) pliciferus var. carbonarius Lea, 1838 — Martens, 1900: 516.

+ Unio (Psoronaias) pliciferus Lea, 1836 — Fischer & Crosse, 1894: 580.

+ Margaron (Unio) pliciferus (Lea) — Lea, 1870: 31.

+ Unio pliciferus Lea, 1838 — Sowerby, 1868: pl. 75, sp. 387.

+ Unio plexus Con., 1836 — Conrad, 1853: 255.

+ Margaron (Unio) pliciferus (Lea) — Lea, 1852: 20.

= Unio carbonarius Lea — Hanley, 1843: 184, pl. 22, fig. 10; pl. 23, fig. 12.

= Margarita (Unio) carbonarius Lea — Lea, 1838: 17.

= Margarita (Unio) carbonarius — Lea, 1836: 19.