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Pedicellate teeth are a tooth morphology today unique to modern
amphibians Amphibians are ectothermic, anamniote, anamniotic, tetrapod, four-limbed vertebrate animals that constitute the class (biology), class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all Tetrapod, tetrapods, but excl ...
, but also seen in a variety of extinct labyrinthodonts. Pedicellate teeth consist of a tooth crown and a base (both composed of dentine) separated by a layer of uncalcified dentine. Pedicellate teeth fossilize better than the rest of the body, these teeth are found in Stem amphibians. The synapomorphy of modern amphibian groups is proven through the shared fossil record.


References


Further reading

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External links

* http://palaeo.gly.bris.ac.uk/Palaeofiles/Fossilgroups/Amphibia/characters.html Amphibian anatomy {{amphibian-stub