1. An extinct amphibian of the Paleozoic and Mesozoic eras, characterized by complex folded tooth structure.
Usage: paleontology; technical

1. Of or relating to labyrinthodonts; having teeth with a labyrinthine (maze-like) internal structure.
Usage: paleontology; technical

Examples

• Labyrinthodonts were among the earliest tetrapods to colonize freshwater environments.
• The fossil record shows that labyrinthodont amphibians dominated during the Carboniferous period.
• Scientists identified the specimen as labyrinthodont based on the distinctive tooth structure.
• Labyrinthodont teeth display a complex folded pattern when viewed in cross-section.
• The evolution of labyrinthodonts marked an important transition from fish to land vertebrates.