World Register of Marine Species (WoRMS)
Walter, T.C.; Boxshall, G. (2026). World of Copepods Database. Calanus simillimus Giesbrecht, 1902. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=342436 on 2026-08-24
Giesbrecht, W. (1902). Zoologie Copepoden. In: Résultats du voyage du S.Y. Belgica en 1897-1898-1899. Rapports scientifiques publiés aux frais du Government Belge. :1-49, pls. 1-13.