Cystophora cristata (Erxleben, 1777) . Syst. Regn. Anim., 1:590.

TYPE LOCALITY: S. Greenland and Newfoundland .

DISTRIBUTION: N. Atlantic and Arctic oceans, from Newfoundland (Canada) to S. Greenland, Svalbard and Novaya Zemlya (U.S. S.R.). Occasionally south to Portugal and Florida (U.S.A.).

ISIS NUMBER: 5301413002001001001.