1. The first labyrinthodonts , which was a transitional between fishes and amphibians. 2. The reptiles appeared from labyrinthodonts in the subsequent Carboniferous period. 3. The first labyrinthodonts , which was a transitional form between fishes and amphibians. 4. Early in the 20th century the sixth labyrinthodont amphibian discovery was made somewhere in Kansas. 5. Because labyrinthodonts do not form a monophyletic group, many modern researchers have abandoned the term. 6. Biphyletic amphibia and used the name Anthracosauria to describe the labyrinthodont lineage from which amniotes evolved. 7. Animals now regarded as temnospondyls were primarily labyrinthodonts , but some were classified in the Branchiosauria. 8. His classification of labyrinthodonts was based heavily on characteristics of the skull rather than the vertebrae. 9. British paleontologist Richard Owen suggested in 1842 that the tracks were made by a labyrinthodont amphibian. 10. The Lepospondyli was thought as possible Urodelomorphans, while the other Labyrinthodonts were thought to be Batracomorphs.
