Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801 Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825 Subclass Lissamphibia Haeckel, 1866 Order Gymnophiona Rafinesque, 1814 - caecilians