1. (noun)
Labyrinthodontia, superorder Labyrinthodontia, Labyrinthodonta, superorder Labyrinthodonta
- extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic Synonyms: superorderLabyrinthodonta, superorderLabyrinthodontia