Labyrinthodonta

noun

1. extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic

   noun.animal

   Synonyms labyrinthodontia superorder labyrinthodonta superorder labyrinthodontia

   Source: WordNet 3.0

2. An extinct order of Amphibia, including the typical genus Labyrinthodon, and many other allied forms, from the Carboniferous, Permian, and Triassic formations. By recent writers they are divided into two or more orders. See <u>Stegocephala</u>.

   noun

   Source: webster1913