Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/61291
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Type: Journal article
Title: Species boundaries in the Rana arfaki group (Anura: Ranidae) and phylogenetic relationships to other New Guinean Rana
Author: Donnellan, S.
Aplin, K.
Bertozzi, T.
Citation: Zootaxa, 2010; 2496(2496):49-62
Publisher: Magnolia Press
Issue Date: 2010
ISSN: 1175-5326
1175-5334
Statement of
Responsibility: 
Stephen C. Donnellan, Ken P. Aplin and Terry Bertozzi
Abstract: Allozyme electrophoresis is used to explore molecular genetic relationships within the Rana arfaki group and between this group and selected lineages of New Guinean Rana. Rana jimiensis is confirmed as a species distinct from R. arfakiand its range in Papua New Guinea is extended to the Southern Highlands Province and the north-coastal ranges in Sandaun Province. Rana arfaki and R. jimiensis show a high level of genetic differentiation maintained across a wide geographic area and show consistent morphological differences in head shape, tympanum size, degree of digital disc dilation and extent of sexual dimorphism. The two species occur syntopically on the Papuan Plateau, Southern Highlands Province, and are regionally sympatric in Sandaun Province. The observed level of genetic differentiation is equivalent to that reported previously between regionally sympatric members of the Rana papua group. Populations of R. jimiensisfrom north and south of the central cordillera show no obvious morphological and only minor genetic differentiation. In contrast, R. arfaki shows considerable geographic variation in both morphology and allozymes and may include two or more regionally distinctive forms.
Keywords: Allozyme electrophoresis; Anura; frog; morphology; Rana; taxonomy; New Guinea
Rights: Copyright © 2010 Magnolia Press
RMID: 0020098091
DOI: 10.11646/zootaxa.2496.1.3
Appears in Collections:Environment Institute publications
Earth and Environmental Sciences publications

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