Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 321 [also as ‘Unio cliffordiana’]. [nomen dubium]
Rafinesque, 1864. [in] Binney & Tryon, reprint: 63.
= Obliquaria cliffordiana Rafinesque, 1820 — Burch, 1975: 161.
- UNASSIGNED — Simpson, 1914: 731.
- UNASSIGNED — Simpson, 1900: 744.
- UNASSIGNED — Lea, 1870: 91.
- UNASSIGNED — Conrad, 1853: 267.
- UNASSIGNED — Lea, 1852: 57.
- UNASSIGNED — Lea, 1836: 58.
= Unio cliffordiana Raf. — Ferussac, 1835: 29.
= Obliquaria (Plagiola) cliffordiana — Rafinesque, 1820: 321, sp. 69.