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 Pusa Scopoli, 1777 Pusa hispida (Schreber, 1775) - ringed seal Pusa hispida ladogensis (Nordquist, 1899)