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Amphibian Species of the World 5.6, an Online Reference

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Bibliography

Metcalf, M. M. 1923. The opalinid ciliate infusorians. Bulletin of the United States National Museum 120: 1-484.

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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>.