World Register of Marine Species (WoRMS)
Nicidion posteriobranchia [auctt. misspelling as 'io' for posterobranchia]
Read, G.; Fauchald, K. (Ed.) (2026). World Polychaeta Database. Nicidion posteriobranchia [auctt. misspelling as 'io' for posterobranchia]. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1591059 on 2026-08-30
Day, J.H. 1962. Polychaeta from several localities in the western Indian Ocean. Proceedings of the Zoological Society of London, 139(4): 627-656.
[auctt. misspelling as 'io' for posterobranchia]
misspelling - incorrect subsequent spelling