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Science 23 July 1976:
Vol. 193. no. 4250, pp. 334 - 335
DOI: 10.1126/science.935871
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Articles

Science, Vol 193, Issue 4250, 334-335
Copyright © 1976 by American Association for the Advancement of Science

articles

Polyploid amphibians: three more diploid-tetraploid cryptic species of frogs

JP Bogart and M Tandy

The nominal African species Pyxicephalus delalandii and Dicroglossus occipitalis have diploid and tetraploid populations. There are also cryptic tetraploid and diploid species similar to Bufo kerinyagae. These represent the first bisexual polyploid "species" so far encountered in the major frog families Ranidae and Bufonidae. The contention that polyploidy is a widespread and important evolutionary phenomenon in anuran amphibians is supported.


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Albumin phylogeny for clawed frogs (Xenopus).
C. Bisbee, M. Baker, A. Wilson, I Haji-Azimi, and M Fischberg (1977)
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