Petrochelidon nigricans neglecta Mathews, 1912 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Hirundinidae genus Petrochelidon species Petrochelidon nigricans Name Homonyms Petrochelidon nigricans neglecta Mathews, 1912