World Register of Marine Species (WoRMS)
Boyko, C.B.; Bruce, N.L.; Campos-Filho, I.S.; Hadfield, K.A.; Hughes, T.; Merrin, K.L.; Ota, Y.; Poore, G.C.B. (Eds) (2026). World Marine, Freshwater and Terrestrial Isopod Crustaceans database. Caecognathia elongata (Krøyer, 1847). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=118982 on 2026-08-29
Krøyer, H. (1847). Karcinologiste Bidrag (Fortsaettelse). [Carcinological Contributions (Continued)]. Naturhistorisk Tidsskrift Ser. II. 2(4): 366-446.