Labyrinthodontia Definition
pronoun
(informal, paleontology) A taxonomic subclass within the class Amphibia — extinct amphibians rather like crocodiles, supposedly ancestral to all terrestrial vertebrates; the group is now considered polyphyletic.
Wiktionary
Origin of Labyrinthodontia
New Latin, from Ancient Greek λαβύρινθος (labýrinthos, “maze”) + ὀδούς (odous, “tooth”) + -ia.
From Wiktionary
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