World Register of Marine Species (WoRMS)
WoRMS (2026). Panningia hyndmanni (W. Thompson, 1840). Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=124649 on 2026-08-24
Thompson, W. (1840). Contributions towards a knowledge of the Mollusca Nudibranchia and Mollusca Tunicata of Ireland, with descriptions of some apparently new species of Invertebrata. Annals of Natural History, 5: 84-102, pl. 2