World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Achatina chrysallis L. Pfeiffer, 1855. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1618014 on 2026-08-01
Pfeiffer, L. (1855). Descriptions of forty-seven new species of Helicea, from the collection of H. Cuming. Proceedings of the Zoological Society of London. 23 (290): 91–101, pl. 31. London [23 July].