Tolmomyias assimilis obscuriceps Zimmer, 1939 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Tyrannidae genus Tolmomyias species Tolmomyias assimilis Name Homonyms Tolmomyias assimilis obscuriceps Zimmer, 1939