World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Cuspidaria arctica (M. Sars, 1859). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=139437 on 2026-08-01
Sars, M. (1859). Bidrag til en skildring af den arktiske molluskfauna ved Norges nordlige kyst. Forhandlinger i Videnskabs-Selskabet i Christiania. 1858: 34-87.