Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988] Amphibia Gray 1825 [Gauthier, Kluge & Rowe 1988] - amphibians see Class Amphibia Gray, 1825 Gymnophiona Müller, 1832 see Order Gymnophiona Rafinesque, 1814 Family Rhinatrematidae Nussbaum, 1977 Genus Epicrionops Boulenger, 1883