Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Carnivora Bowdich, 1821 - carnivores Suborder Caniformia Kretzoi, 1943 Family Phocidae Gray, 1821 - true seals Genus Cystophora Nilsson, 1820 [monotypic] - hooded seal 1 Cystophora cristata (Erxleben, 1777) - hooded seal