World Register of Marine Species (WoRMS)
Read, G.; Fauchald, K. (Ed.) (2026). World Polychaeta Database. Cirratulus incertus McIntosh, 1916. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=129961 on 2026-08-30
McIntosh, W.C. 1916. Notes from the Gatty Marine Laboratory, St. Andrews. No. 39. 1. On the colouration of Caesicirrus neglectus, Arwidsson. 2. On Cirratulus (bioculatus) incertus, M'I. 3. On the british Serpulidae, with a nore of those procured in the 'Porcupine' Expeditions and those obtained by Canon Norman in Norwegian waters. 4. On a Placostegus, from the 'Porcupine'Expedition of 1870. Annals and Magazine of Natural History 18: 161-199.