Otter

AmblonyxAonyxEnhydraHydrictisLontraLutraLutrogalePteronura †Enhydriodon†Algarolutra †Cyrnaonyx †Megalenhydris †Sardolutra †Siamogale †Teruelictis†Enhydritherium†Lartetictis †Limnonyx†Lutravus†Sivaonyx†Torolutra†Tyrrhenolutra†VishnuonyxGiant otter (Pteronura brasiliensis)North American river otter (Lontra canadensis)Marine otter (Lontra felina)Southern river otter (Lontra provocax)Neotropical river otter (Lontra longicaudis)Sea otter (Enhydra lutris)Spotted-necked otter (Hydrictis maculicollis)Eurasian otter (Lutra lutra)Hairy-nosed otter (Lutra sumatrana)Japanese otter†Lutra euxena†Lutra castiglionis†Lutra simplicidens†Lutra trinacriae†African clawless otter (Aonyx capensis)Asian small-clawed otter (Aonyx cinerea)Smooth-coated otter (Lutrogale perspicillata)