superorder labyrinthodonta

from WordNet (r) 3.0 (2006)
superorder Labyrinthodonta
    n 1: extinct amphibians typically resembling heavy-bodied
         salamanders or crocodiles and having a solid flattened
         skull and conical teeth; Devonian through Triassic [syn:
         {Labyrinthodontia}, {superorder Labyrinthodontia},
         {Labyrinthodonta}, {superorder Labyrinthodonta}]
    

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