एम्पिबियन

Many amphibians—like this Ceratophrys cranwelli

The world's smallest known vertebrate, Paedophryne amauensis

Triadobatrachus massinoti

Amphibians Temporal range: Late Devonian–present PreЄ Є O S D C P T J K Pg N
Clockwise from top right: Seymouria, Mexican burrowing caecilian, eastern newt and leaf green tree frog
Scientific classification
Unrecognized taxon (fix):	Amphibia
Subclasses and Orders
†Subclass Labyrinthodontia †Order Temnospondyli †Subclass Lepospondyli Subclass Lissamphibia Order Anura Order Caudata Order Gymnophiona †Order Allocaudata