? roberti Alexander, 1903 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Muscicapidae genus Cossyphicula species Cossyphicula roberti Name Homonyms ? roberti Alexander, 1903 ? roberti Archbold, 1996 ? roberti Stone, 1915 ? roberti Andrews, 1897