? helleri Osgood, 1901 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Chordata class Aves order Passeriformes family Troglodytidae genus Troglodytes species Troglodytes pacificus Name Homonyms ? helleri Porter ? helleri Mearns, 1913 ? helleri Osgood, 1901 ? helleri Schwartz et al., 1983