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A Phylogenetically Important Lygosomine Skink Resurrected from Taxonomic Obscurity: Lygosoma unilineatum de Rooij, 1915

Allen E. Greer and Glenn Shea
Journal of Herpetology
Vol. 34, No. 1 (Mar., 2000), pp. 85-91
DOI: 10.2307/1565243
Stable URL: http://www.jstor.org/stable/1565243
Page Count: 7
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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 Phylogenetically Important Lygosomine Skink Resurrected from Taxonomic Obscurity: Lygosoma unilineatum de Rooij, 1915
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Abstract

Lygosoma unlineatum de Rooij 1915 is a large New Guinea skink known from five specimens. It was previously associated with taxa now considered to be in the Sphenomorphus group of lygosomine skinks. However, it is a member of the Eugongylus group of lygosomines, best placed in the relatively primitive genus Eugongylus. Within the Eugongylus group, the species has two unique primitive characters: nine premaxillary teeth (versus ≥11) and pterygoid teeth. The species also has one unique derived character: fusion of the first supralabial and the nasal scale. The two primitive characters make the species especially important in reconstructing the phylogeny of the Eugongylus group.

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