World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Heliacus asper (Hinds, 1844). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=758449 on 2026-08-29
Hinds, R. B. (1844). Description of new species of shells. Proceedings of the Zoological Society of London. (1844) 12: 21-26. [published July 1844].