Philippi, 1847. Zeitschr. f. Malakozool. 4(6): 95.
Philippi, 1849. Abbild. Beschr. Conch. 4: 28, pl. 6, fig. 3.
Type(s): TYPE LOST XXX_UNKNOWN, México.
+ — Cummings et al., 2025: 394.
= Sphenonaias mexicana (Philippi, 1847) — Czaja et al., 2023: 88.
= Sphenonaias mexicana (Philippi, 1847) — Graf & Cummings, 2021: 20.
= Sphenonaias mexicana Philippi, 1847 — Bogan, 2010: [web].
= Sphenonaias mexicana (Philippi, 1847) — Graf & Cummings, 2007: 309.
= Nephronaias (Sphenonaias) mexicana (Philippi, 1847) — Haas, 1969: 206.
= Elliptio (Nephronaias) mexicanus (Philippi) — Haas, 1929: 327.
= Elliptio (Sphenonaias) mexicanus (Philippi, 1847) — Frierson, 1927: 37, sp. 145.
= Unio (sec. Elliptio) mexicanus Philippi, 1847 — Simpson, 1914: 588.
= Unio (sec. Elliptio) mexicanus Philippi, 1847 — Simpson, 1900: 701.
= Unio (Elliptio) mexicanus Philippi, 1847 — Martens, 1900: 517.
= Unio (Uniomerus) mexicanus Philippi, 1847 — Fischer & Crosse, 1894: 593.
= Unio mexicanus Phil. — B.H. Wright, 1888: [4].
= Margaron (Unio) mexicanus (Phili.) — Lea, 1870: 53.
= Unio mexicanus Philippi — Küster, 1862: 285, pl. 95, fig. 7.
+ — Lea, 1852: 40.
= Unio mexicanus Philippi, 1847 — Philippi, 1849: 28, pl. 6, fig. 3.