World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Halicardia Dall, 1895. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=138653 on 2026-08-28
Dall, W. H. (1895). Scientific results of exploration by the U. S. Fish Commission steamer "Albatross" XXXIV. Report on Mollusca and Brachiopoda dredged in deep water, chiefly near the Hawaiian Islands, with illustrations of hitherto unfigured species from northwest America. Proceedings of the United States National Museum. 17: 675-733, pls 23-32.