World Register of Marine Species (WoRMS)
Protocapitella Berkeley & Berkeley, 1932
Read, G.; Fauchald, K. (Ed.) (2026). World Polychaeta Database. Protocapitella Berkeley & Berkeley, 1932. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=325994 on 2026-08-24
Berkeley, Edith; Berkeley, Cyril. (1932). Some Capitellidae (Polychaeta) from the northeast Pacific with a description of a new genus. Proceedings of the Zoological Society of London. 102(3): 669-675.