Definition that contains class amphibia
- amphibian relating to or characteristic of animals of the class Amphibia
- amphibious relating to or characteristic of animals of the class Amphibia
- order stegocephalia in former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibia
- stegocephalia in former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibia