Cercomacra nigrescens fuscicauda Zimmer, 1931 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Thamnophilidae genus Cercomacra species Cercomacra nigrescens Name Synonyms Cercomacroides fuscicauda (J.T.Zimmer, 1931) Homonyms Cercomacra nigrescens fuscicauda Zimmer, 1931