- In Owen's category, the thirteenth purchase of the fourth subclass of Hæmatocrya, known as through the genus Labyrinthodon, containing fossil amphibians having “teeth rendered complex by undulation and part branches for the converging folds of enamel, whence the name.”
- extinct amphibians usually resembling heavy-bodied salamanders or crocodiles and having a great flattened skull and conical teeth; Devonian through Triassic
Hypernym for "labyrinthodontia"
- animal order
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