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Amphibian Species of the World 5.6, an Online Reference

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Bibliography

Estes, R. 1975. Fossil Xenopus from the Paleocene of South America and zoogeography of pipid frogs. Herpetologica 31: 263-278.

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Copyright © 1998-2013, Darrel Frost and The American Museum of Natural History. All Rights Reserved.

Send inquiries to Darrel Frost <frost at amnh org>.