Plesiocetus affinis (Van Beneden & Gervais, 1868) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Artiodactyla family Pelocetidae genus Parietobalaena species Heterocetus affinis Name Homonyms Plesiocetus affinis (Van Beneden & Gervais, 1868)