class Amphibia

Thesaurus

Noun

1.

class Amphibia - the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caeciliansamphibiaCraniata, subphylum Craniata, subphylum Vertebrata, Vertebrata - fishes; amphibians; reptiles; birds; mammalsamphibian - cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult formgenus Hynerpeton, Hynerpeton - earliest fossil amphibian ever found; of the Devonian; found in Pennsylvaniagenus Ichthyostega - second earliest fossil amphibian ever found; of the Devonian; found in GreenlandCaudata, order Caudata, order Urodella, Urodella - salamanders; newts; congo snakesAnura, Batrachia, order Anura, order Batrachia, order Salientia, Salientia - frogs, toads, tree toadsGymnophiona, order Gymnophiona - an order of amphibians including caeciliansLabyrinthodonta, Labyrinthodontia, superorder Labyrinthodonta, superorder Labyrinthodontia - extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassicorder Stegocephalia, Stegocephalia - in former classifications a division of class Amphibia comprising all pre-Jurassic and some later extinct large salamandriform amphibiapolliwog, pollywog, tadpole - a larval frog or toadclass - (biology) a taxonomic group containing one or more orders