Order Carnivora Author W. Christopher Wozencraft text 1993 Smithsonian Institution Press Washington and London Editor Don E. Wilson Editor DeeAnn M. Reeder Mammal Species of the World (2 nd Edition) 279 348 book chapter http://doi.org/10.5281/zenodo.7359191 1-56098-217-9 7359191 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 .