- 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
--1 is a kind of animal order
--1 is a member of Amphibia, class Amphibia
--1 has members:labyrinthodont; Stereospondyli, order Stereospondyli; Temnospondyli, order Temnospondyli