World Register of Marine Species (WoRMS)
Kroh, A.; Mooi, R. (2026). World Echinoidea Database. Peronella Gray, 1855. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=204187 on 2026-08-31
Gray, J. E. (1855). Catalogue of the Recent Echinida, or Sea Eggs, in the Collection of the British Museum. Part I.-Echinida Irregularia. Woodfall & Kinder, London. 69 pp.