Hardy, G.S. & Stehmann, M. (1990)
A new deep-water ghost shark, Hydrolagus pallidus n. sp. (Holocephali, Chimaeridae), from the Eastern North Atlantic, and redescription of Hydrolagus affinis (Brito Capello, 1867). Archiv für Fischereiwissenschaft, 40(3), 229–248