World Register of Marine Species (WoRMS)
Aspella cryptica Radwin & D'Attilio, 1976
MolluscaBase eds. (2026). MolluscaBase. Aspella cryptica Radwin & D'Attilio, 1976. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=404851 on 2026-08-29
Radwin, G. E.; d'Attilio, A. (1976). Murex shells of the World: An illustrated guide to the Muricidae. Stanford University Press.