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Amphibians
Many amphibians are clearly related. How many basic kinds of amphibian are there? What are their characteristics? When did they first appear in the fossil record? This display answers those questions.
What are the limits of relatedness?
Click on one of the different amphibian kinds, listed below, for more information.
Names in brown indicate all families in the kind are extinct.
Names in blue indicate kinds with families that are alive today.
1 Caecilians
2 Frogs and Toads
3 Newts and Salamanders
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