Rafinesque, 1831. Continuation: 6. [nomen dubium]
Rafinesque, 1864. [in] Binney & Tryon, reprint: 83.
- UNASSIGNED — Bolotov et al., 2022: 12, Supplementary Note 3.
+ Diplasma testudinarius Spengler, 1793 — Morrison, 1966: 45.
= Diplasma marginata Rafinesque, 1831 — Frierson, 1914: 7.
- UNASSIGNED — Lea, 1870: 92.
- UNASSIGNED — Lea, 1852: 58.
- UNASSIGNED — Lea, 1836: 59.
= Unio marginatus Raf. — Ferussac, 1835: 29.
= Diplasma marginata Rafinesque, 1831 — Rafinesque, 1831: 6, sp. 114.