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Reexamination of Barbet Monophyly Using Mitochondrial-DNA Sequence data

Scott M. Lanyon and John G. Hall
The Auk
Vol. 111, No. 2 (Apr., 1994), pp. 389-397
DOI: 10.2307/4088602
Stable URL: http://www.jstor.org/stable/4088602
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Reexamination of Barbet Monophyly Using Mitochondrial-DNA Sequence data
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Abstract

An 888-base-pair segment of the mitochondrial cytochrome-b gene was sequenced for New World barbets, Old World barbets, toucans, and several outgroup taxa. Toucans were consistently identified as the sister taxon of the New World barbets by a variety of analyses. These data are fundamentally different from earlier morphological analyses and the DNA-DNA hybridization study of these same taxa. Our results provide an independent confirmation of relationships proposed in both the morphological and molecular studies-that New World barbets and toucans are sister taxa with respect to Old World barbets.

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