Amphicynodontidae List of fossil pinnipedimorphs Kamtschatarctos Nanophoca Prototaria Pelagiarctos Puijila Monotherium Pachyphoca Pontophoca Kolponomos Drassonax Platyphoca Valenictus Proneotherium Afrophoca Auroraphoca Otarioidea Pliopedia Imagotaria Semantoridae Praepusa Phocanella Piscophoca Thalassoleon Pliophoca Pontolis Homiphoca Pteronarctos Leptophoca Ontocetus Desmatophocidae Gryphoca Noriphoca Callophoca Desmatophoca Hadrokirus Frisiphoca Archaeodobenus Gomphotaria Pinnipedimorpha Aivukus Potamotherium Titanotaria Osodobenus Nanodobenus Acrophoca Allodesmus Neotherium Enaliarctos Amphicticeps Amphicynodon Quercy Phosphorites Formation List of pinnipeds 2019 in paleomammalogy