Metaxytherium serresii (Gervais, 1847) Depéret, 1895 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Sirenia family Dugongidae genus Metaxytherium species Metaxytherium serresii Name Synonyms Felsinotherium serresii (Gervais, 1847) Halitherium minor Cope, 1883 Halitherium serresii Gervais, 1847 Homonyms Metaxytherium serresii (Gervais, 1847) Depéret, 1895