. . "Aves" . "Myrmotherula" . "Long-winged Antwren" . "Chordata" . . "Passeriformes" . "Myrmotherula longipennis" . . . "Thamnophilidae" . "Animalia" . "Myrmotherula longipennis Pelzeln 1868" . . . . "Pelzeln 1868" . . . . . . .