labyrinthodont


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lab·y·rin·tho·dont

 (lăb′ə-rĭn′thə-dŏnt′)
adj.
1. Having teeth with a labyrinthine internal structure.
2. Of or relating to an extinct group of amphibians having a labyrinthine tooth structure, often classified in the subclass (or superorder) Labyrinthodontia.

lab′y·rin′tho·dont′ n.

labyrinthodont

(ˌlæbəˈrɪnθəˌdɒnt)
n
1. (Animals) any primitive amphibian of the order Labyrinthodontia, of late Devonian to Triassic times, having teeth with much-folded dentine
2. (Palaeontology) any primitive amphibian of the order Labyrinthodontia, of late Devonian to Triassic times, having teeth with much-folded dentine
[C19: from Greek laburinthos labyrinth + -odont]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.labyrinthodont - an amphibian of the superorder Labyrinthodontialabyrinthodont - an amphibian of the superorder Labyrinthodontia
amphibian - cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
Labyrinthodonta, Labyrinthodontia, superorder Labyrinthodonta, superorder Labyrinthodontia - extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
References in periodicals archive ?
The Riches and their colleagues have also recently found the possible remains of a labyrinthodont, a crocodile-like amphibian, that are about 30 million years younger than fossils of the same animal group previously discovered elsewhere in the world.