"Animalia" . . "Checker-throated Antwren" . "Epinecrophylla fulviventris" . . "Aves" . . "(Lawrence 1862)" . . . . "Passeriformes" . . . . "Epinecrophylla" . . "Chordata" . . . . . . "Epinecrophylla fulviventris (Lawrence 1862)" . "Thamnophilidae" .