Alasmidonta marginata Say, 1818
Say, 1818, Jour. Acad. Nat. Sci. 1(11): 459.
Say, 1819, Nich. Encyc. 4: sp. 1.
Say, 1858, [in] Binney, Compl. Writings T. Say: 62.

Unio rugulosus Wood, 1828
Wood, 1828, Suppl. Index Testac.: 3 [as ‘Mya rugulosa’]. [nomen nudum]
Wood, 1828, Suppl. Index Testac.: 57, pl. 1, sp. 7.

Decurambis literata Rafinesque, 1831
Rafinesque, 1831, Continuation: 5. [nomen nudum]
Rafinesque, 1864, [in] Binney & Tryon, reprint: 80.
(intro'd as syn of Decurambis scriptum Rafinesque, 1831)

Decurambis scriptum Rafinesque, 1831
Rafinesque, 1831, Continuation: 5.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 80.

Alasmodonta truncata Lea, 1836
‘Say, in lit.’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 44.
Lea, 1838, Synopsis Fam. Naiades: 135.
Agassiz, 1852, Arch. Naturg. 18(1): 46.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 262.
(intro'd as syn of Alasmidonta marginata Say, 1818)

Mya regulosa Lea, 1836
‘Wood’ Lea, 1836, Synopsis Fam. Naiades: 44.
‘Wood’ Lea, 1852, Synopsis Fam. Naiades: 42.
‘Wood’ Lea, 1870, Synopsis Fam. Naiades: 67.
(error for Unio rugulosus Wood, 1828)

Margaritana marginata Küster, 1862
‘Say’ of Authors.
Küster, 1862, Conchyl. Cab. 9(2): 297, pl. 99, fig. 3.
Sowerby, 1866, Conch. Icon. 16: pl. 51, sp. 267.
(reference to Alasmidonta marginata Say, 1818)

Margaritana marginata var. truncata B.H. Wright, 1898
B.H. Wright, 1898, Nautilus 11: 124.
(intro'd as intra-sp. of Alasmidonta marginata Say, 1818)
Type(s): LECTOTYPE USNM_150545, Clinch R., Va.

Unio calceolus f.a sciotincola de Gregorio, 1914
de Gregorio, 1914, Il Nat. Siciliano 2: 54, pl. 9, figs. 3a-d.
(intro'd as intra-sp. of Unio calceolus Lea, 1828)

Alasmidonta (Decurambis) marginata susquehannae Ortmann, 1919
Ortmann, 1919, Mem. Carnegie Mus. 8(1): 187, pl. 12, fig. 4.
(intro'd as intra-sp. of Alasmidonta marginata Say, 1818)
Type(s): LECTOTYPE CM_61.4679, Susquehanna River, Selins Grove, Snyder County, Pennsylvania.

Alasmidonta (Decurambis) marginata variabilis F.C. Baker, 1928
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 194, pl. 69, figs. 4-9.
(intro'd as intra-sp. of Alasmidonta marginata Say, 1818)
Type(s): LECTOTYPE UMMZ_209183, Red Cedar R., Chetek, Wis.