Halichoerus Nilsson, 1820. Skand. Faun. Dagg. Djur., 1:376.
TYPE SPECIES: Halichoerus griseus Nilsson, 1820 (= Phoca grypus Fabricius, 1791).
COMMENTS: Mohr (1952) described successful mating in captivity between Phoca hispida and Halichoerus grypus.