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A New Species of Pristidactylus (Sauria: Iguanidae) from Central Chile and Comments on the Speciation in the Genus

Madeleine Lamborot and Nelson F. Diaz
Journal of Herpetology
Vol. 21, No. 1 (Mar., 1987), pp. 29-37
DOI: 10.2307/1564374
Stable URL: http://www.jstor.org/stable/1564374
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.
A New Species of Pristidactylus (Sauria: Iguanidae) from Central Chile and Comments on the Speciation in the Genus
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Abstract

Pristidactylus volcanensis, a new species from El Volcán, Cordillera de Los Andes, unlike its congeners previously reported for Chile, is not associated with Notophagus forest. It is distinguished from the other Chilean and Argentinean Pristidactylus by coloration, squamation, measurements, and habitus. Males and females have a primitive karyotype of 12 macrochromosomes and 24 microchromosomes. An hypothetical evolutionary mode of speciation is discussed.

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