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
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Ribera d'Urgellet area (Lleida Province), Pyrenean basin: Two large ichnofossils from the Permian locality of Palanca de Noves were described and referred tentatively to labyrinthodonts or cotylosaurs and to chirotheriid reptile trackmakers (Robles and Llompart, 1987).