Mecocerculus leucophrys roraimae Hellmayr, 1921 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Tyrannidae genus Mecocerculus species Mecocerculus leucophrys Name Homonyms Mecocerculus leucophrys roraimae Hellmayr, 1921