This is a list of amphibians found in the United States. A total of 306 amphibian species have been recorded in the United States, [1] 2 of which are now extinct. [2] This list is derived from the database listing of Amphibian Species of the World. [1]
Order: Caudata. Family: Ambystomatidae
Order: Caudata. Family: Amphiumidae
Order: Caudata. Family: Cryptobranchidae
Order: Caudata. Family: Plethodontidae
Order: Caudata. Family: Proteidae
Order: Caudata. Family: Rhyacotritonidae
Order: Caudata. Family: Salamandridae
Order: Caudata. Family: Sirenidae
Order: Anura. Family: Ascaphidae
Order: Anura. Family: Bufonidae
Order: Anura. Family: Craugastoridae
Order: Anura. Family: Dendrobatidae
Order: Anura. Family: Eleutherodactylidae
Order: Anura. Family: Leptodactylidae
Order: Anura. Family: Microhylidae
Order: Anura. Family: Rhinophrynidae
Order: Anura. Family: Scaphiopodidae
List of amphibians native to the United States by state: