Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Deuterostomia (deuterostomes) Phylum Chordata (chordates) Craniata (craniates) Subphylum Vertebrata (vertebrates) Superclass Gnathostomata (jawed vertebrates) Euteleostomi (bony vertebrates) Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates) Tetrapoda (tetrapods) Amniota (amniotes) Class Reptilia (turtles, snakes, lizards, and relatives) Class Aves (birds) Subclass Neognathae (neognath birds) Infraclass Neoaves (modern birds) Order Passeriformes (perching birds) Furnari (ovenbirds, antbirds, and relatives) Family Furnariidae (ovenbirds) Genus Xenops Species Xenops milleri (rufous-tailed xenops) Species Xenops minutus (plain xenops) Species Xenops rutilans (streaked xenops) Species Xenops tenuirostris (slender-billed xenops)
