Amphibia — Am·phib·ia am fib ē ə n pl 1) a class of subphylum Vertebrata comprising forms (as the frogs, toads, newts, and salamanders) that are intermediate in many respects between fishes and reptiles, are cold blooded with nucleated red blood cells and a … Medical dictionary
amphibia — noun the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians • Syn: ↑class Amphibia • Derivationally related forms: ↑amphibious • Hypernyms: ↑class • Member Holonyms … Useful english dictionary
Amphibia — Am*phib i*a, n. pl. [See {Amphibium}.] (Zo[ o]l.) One of the classes of vertebrates. [1913 Webster] Note: The Amphibia are distinguished by having usually no scales, by having eggs and embryos similar to those of fishes, and by undergoing a… … The Collaborative International Dictionary of English
Amphibia — /am fib ee euh/, n. the class comprising the amphibians. [1600 10; < NL < Gk amphíbia (zôia) (animals) living a double life, neut. pl. of AMPHÍBIOS. See AMPHIBIOUS] * * * … Universalium
Amphibia — Am·phib·i·a || æm fɪbɪə n. class consisting of amphibians (cold blooded vertebrate animal able to life both on land and water) … English contemporary dictionary
Temnospondyli — Temnospondyls Temporal range: Early Carboniferous Early Cretaceous, 330–120 Ma Possible descendant taxon Lissamphibia survives to present … Wikipedia
amphibian — /am fib ee euhn/, n. 1. any cold blooded vertebrate of the class Amphibia, comprising frogs and toads, newts and salamanders, and caecilians, the larvae being typically aquatic, breathing by gills, and the adults being typically semiterrestrial,… … Universalium
Tetrapod — Taxobox name = Tetrapods fossil range = Late Devonian to Recent image width = 200px image caption = A Fire Salamander. regnum = Animalia phylum = Chordata subphylum = Vertebrata superclassis = Tetrapoda superclassis authority = Broili, 1913… … Wikipedia
Chordate — Chordata Temporal range: Early Cambrian – Recent, 540–0 Ma … Wikipedia
vertebrate — /verr teuh brit, brayt /, adj. 1. having vertebrae; having a backbone or spinal column. 2. belonging or pertaining to the Vertebrata (or Craniata), a subphylum of chordate animals, comprising those having a brain enclosed in a skull or cranium… … Universalium
