资料来源 : WordNet®

superorder Labyrinthodontia
     n : extinct amphibians typically resembling heavy-bodied
         salamanders or crocodiles and having a solid flattened
         skull and conical teeth; Devonian through Triassic [syn:
         {Labyrinthodontia}, {Labyrinthodonta}, {superorder
         Labyrinthodonta}]