Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Micronaias arata

Lea, 1843. [privately published sheet]: [1].
Lea, 1845. Trans. Amer. Phil. Soc. 9 [O. 4]: 282 [40], pl. 42, fig. 12.
Type(s): HOLOTYPE (MONOTYPY) USNM_84395, [Lake Nicaragua, Nicaragua].
= Micronaias arata (Lea, 1843) — Cummings et al., 2025
= Micronaias arata (Lea, 1843) — Graf & Cummings, 2021
= Micronaias arata Lea, 1845 — Bogan, 2010
= Micronaias arata (Lea, 1845) — Graf & Cummings, 2007
= Elliptio (Micronaias) aratus (Lea, 1843) — Haas, 1969
= Elliptio (Micronaias) aratus (Lea, 1843) — Haas, 1969
= Elliptio (sec. Micronaias) aratus (Lea) — Thiele, 1934
= Elliptio (Micronaias) aratus (Lea) — Haas, 1929
= Elliptio (Micronaias) aratus (Lea, 1843) — Frierson, 1927
= Unio (sec. Micronaias) aratus Lea, 1843 — Simpson, 1914
= Unio (sec. Micronaias) aratus Lea, 1843 — Simpson, 1900
= Unio (Arotonaias) aratus Lea — Martens, 1900
= Unio (sec. Hyridella) aratus Lea — Paetel, 1890
= Unio aratus Lea — B.H. Wright, 1888
+ — Tate, 1870
= Margaron (Unio) aratus (Lea) — Lea, 1870
= Unio aratus Lea — Sowerby, 1868
= Unio (Hyridella) aratus Lea — Adams & Adams, 1857
= Margaron (Unio) aratus (Lea) — Lea, 1852