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) Tyranni (New World flycatchers, cotingas, and manakins) Family Tyrannidae (tyrant flycatchers) Genus Zimmerius Species Zimmerius bolivianus (Bolivian tyrannulet) Species Zimmerius chrysops (golden-faced tyrannulet) Species Zimmerius cinereicapilla (red-billed tyrannulet) Species Zimmerius gracilipes (slender-footed tyrannulet) Species Zimmerius vilissimus (paltry tyrannulet) Species Zimmerius villarejoi (Mishima tyrannulet) Species Zimmerius viridiflavus (Peruvian tyrannulet)
