Argyrocetus joaquinensis Kellogg, 1932 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Cetacea family Eurhinodelphidae genus Argyrocetus species Argyrocetus joaquinensis Name Synonyms Doliodelphis littlei Wilson, 1935 Eurhinodelphis extensus Wilson, 1935 Homonyms Argyrocetus joaquinensis Kellogg, 1932