- Types:
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Salamandridae, family Salamandridae
salamanders
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Ambystomatidae, family Ambystomatidae
New World salamanders
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Cryptobranchidae, family Cryptobranchidae
large aquatic salamanders: hellbenders; giant salamanders
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Dicamptodontidae, family Dicamptodontidae
large and small highly aquatic salamanders
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Plethodontidae, family Plethodontidae
small mostly terrestrial New World salamanders having neither lungs nor gills as adults
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Amphiumidae, family Amphiumidae
congo snakes
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Sirenidae, family Sirenidae
sirens
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Ranidae, family Ranidae
a family nearly cosmopolitan in distribution: true frogs
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Leptodactylidae, family Leptodactylidae
New World frogs; in some classifications essentially coextensive with the family Bufonidae
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Polypedatidae, family Polypedatidae
Old World tree frogs
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Ascaphidae, family Ascaphidae
family of one species of frog: tailed frog
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Leiopelmatidae, Liopelmidae, family Leiopelmatidae, family Liopelmidae
primitive New Zealand frogs
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Bufonidae, family Bufonidae
true toads
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Discoglossidae, family Discoglossidae
family of Old World toads having a fixed disklike tongue
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Pelobatidae, family Pelobatidae
the amphibian family of spadefoot toads
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Hylidae, family Hylidae
the amphibian family of tree frogs
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Brevicipitidae, Microhylidae, family Brevicipitidae, family Microhylidae
narrow-mouthed toads and sheep frogs; some burrow and some are arboreal; found worldwide
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Pipidae, family Pipidae
tongueless frogs
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Xenopodidae, family Xenopodidae
in some classifications the family of the genus Xenopus which is otherwise included in the family Pipidae
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Caeciliadae, Caeciliidae, family Caeciliadae, family Caeciliidae
coextensive with the order Gymnophiona: legless amphibians
