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Ctenotus superciliaris »

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Higher TaxaScincidae, Sphenomorphinae, Scincoidea, Sauria, Squamata (lizards)
Common NamesE: Sharp-browed Ctenotus 
SynonymCtenotus superciliaris RABOSKY, HUTCHINSON, DONNELLAN, TALABA & LOVETTE 2014 
DistributionAustralia (Northern Territory)

Type locality: Dunmara, NT (16°410 S, 133°250 E).  
TypesHolotype: SAMA R36246, an adult male from Dunmara, NT (16°410 S, 133°250 E). Specimen collected in 1986 by B. Miller. 
DiagnosisDiagnosis. A moderately large member of the C. inornatus group. Distinguished from all other species in the C. inornatus group by having only the first and second supraciliary scales much larger than the remaining supraciliaries. Due to the acuteness of the brow and the small size of the third supraciliary, only the first and second supraciliaries are readily visible. The species is further distinguished from C. spaldingii and C. robustus by the condition of the white subocular stripe: in C. supercilaris sp. nov., the stripe is either not present or fails to extend posteriorly past the eye. In C. spaldingii and C. robustus, the subocular stripe is prominent and generally extends posteriorly to the tympanum. Where sympatric with C. inornatus, C. superciliaris sp. nov. is often characterized by bold lateral and dorsal pattern elements, including prominent vertebral and dorsolateral stripes, although dorsal color pattern is generally a poor indicator of species status in this group of lizards. The species is distinguished from C. mastigura by the presence of four supraocular scales (three in C. mastigura). 
CommentLimb morphology: 5 digits, 5 toes (Singhal et al. 2018, Cogger 2014) 
  • Couper, P., Covacevich, J., Amey, A. & Baker, A. 2006. The genera of skinks (Family Scincidae) of Australia and its island territories: diversity, distribution and identification. in: Merrick, J.R., Archer, M., Hickey, G.M. & Lee, M.S.Y. (eds.). Evolution and Zoogeography of Australasian Vertebrates. Australian Scientific Publishing, Sydney, pp. 367-384
  • Rabosky DL, Hutchinson MN, Donnellan SC, Talaba AL, Lovette IJ 2014. Phylogenetic disassembly of species boundaries in a widespread group of Australian skinks (Scincidae: Ctenotus). Molecular Phylogenetics and Evolution 77: 71-82; doi: 10.1016/j.ympev.2014.03.026 - get paper here
  • Singhal, Sonal; Huateng Huang, Maggie R. Grundler, María R. Marchán-Rivadeneira, Iris Holmes, Pascal O. Title, Stephen C. Donnellan, and Daniel L. Rabosky 2018. Does Population Structure Predict the Rate of Speciation? A Comparative Test across Australia’s Most Diverse Vertebrate Radiation. The American Naturalist - get paper here
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