World Register of Marine Species (WoRMS)
Walter, T.C.; Boxshall, G. (2026). World of Copepods Database. Pseudocalanus elongatus (Brady, 1865). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=104515 on 2026-08-01
Boeck, A. (1865). Oversigt over de ved Norges Kyster jagttagne Copepoder henhorende til Calanidernes, Cyclopidernes og Harpactidernes Familier. [Overview of the Copepods hunted on the coast of Norway belonging to the families Calanoidae, Cyclopoidae and Harpacticodidae.]. Forhandlinger i Videnskabs-Selskabet i Christiania. 1864: 226-282 [for 1864 however published in 1865].
Brady, G.S. (1865). Report on the pelagic Entomostraca. In: Reports on Deep Sea dredgings on the coast of Northumberland and Durham, 1862-1864. Natural History Transactions of Northumberland. 1:29-40, pls. 1-4.