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) Class Amphibia (frogs, salamanders, and caecilians) Subclass Lissamphibia (amphibians) Superorder Salientia (frogs and toads) Anura Family Leiopelmatidae (Tailed Frogs, Leiopelmatids, Ribbed Frogs) Genus Ascaphus Species Ascaphus montanus (Rocky Mountain Tailed Frog) Species Ascaphus truei (Coastal Tailed Frog)
