Labyrinthodontia meaning

(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.
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Origin of labyrinthodontia

  • New Latin, from Ancient Greek λαβύρινθος (labýrinthos, “maze”) + ὀδούς (odous, “tooth”) +‎ -ia.

    From Wiktionary