Sibbaldius schlegelii Gray, 1864 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia order Cetacea family Balaenopteridae genus Balaenoptera species Balaenoptera borealis Name Homonyms Sibbaldius schlegelii Flower, 1865 Sibbaldius schlegelii Gray, 1864