World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Potamilus amphichaenus (Frierson, 1898). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=857377 on 2026-08-30
Frierson, L. S. (1898). Unio (Lampsilis) amphichaenus, n. sp. The Nautilus. 11(10): 109-110, plate 1.