Pterobalaena nana pentadactyla Barkow, 1862 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Cetacea family Balaenopteridae genus Balaenoptera species Balaenoptera acutorostrata Name Homonyms Pterobalaena nana pentadactyla Barkow, 1862