World Register of Marine Species (WoRMS)
MolluscaBase eds. (2026). MolluscaBase. Palazzia planorbis (Dall, 1927). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=180904 on 2026-08-25
Dall, W. H. (1927). Small shells from dredgings off the southeast coast of the United States by the United States Fisheries Steamer "Albatross", in 1885 and 1886. Proceedings of the United States National Museum. 70(2667): 1-134.