Rafinesque, 1831. Continuation: 4.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 76.
= nomen dubium
= Truncilla perplexus Rafinesque, 1831 — Simpson, 1914
= Truncilla perplexa Rafinesque — Simpson, 1900
+ — Lea, 1870
+ — Lea, 1852
+ — Lea, 1836
= Unio perplexus Raf. — Ferussac, 1835
= Truncilla perplexa Rafinesque, 1831 — Rafinesque, 1831