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Overview of Amphibians

By

Brent R. Whitaker

, MS, DVM, University of Maryland, Institute of Marine and Environmental Technology

Last full review/revision Sep 2013 | Content last modified Sep 2013
Topic Resources

The class Amphibia is composed of three orders: Anura (frogs and toads), the largest with >3,500 species; Caudata (salamanders, newts, and sirens) with ~375 species; and Gymnophiona (caecilians) with ~160 species.

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