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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun 1. [画像:labyrinthodont - an amphibian of the superorder Labyrinthodontia]labyrinthodont - 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
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