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Ctenotus impar STORR, 1969

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Higher TaxaScincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Common NamesE: Odd-striped Ctenotus 
SynonymCtenotus impar STORR 1969: 105
Ctenotus impar — COGGER 1983: 147
Ctenotus impar — COGGER 2000: 428
Ctenotus impar — WILSON & SWAN 2010 
DistributionAustralia (Western Australia)

Type locality: Tambellup, in 34° 02’ S, 117° 38’ E, W. A.  
TypesHolotype: WAM R1333 
DiagnosisDiagnosis: A member of the taeniolatus group with 11 (regionally 12) pale lines and stripes, and nasals and prefrontals separated (Storr 1974: 90).

Description. Snout-vent length (mm): 30- 66 (51.8). Length of appendages (% SVL): tail 153-200 (176); foreleg 21-31 (25.7); hindleg 37- 50 (43.6). Nasals and prefrontals separated. Supra oculars 4, first 3 (rarely 2) in contact with frontal. Supraciliaries 5-8 (mostly 7, mean 6.9). Palpebrals 8-13 (10.4). Second loreal 0.9-1.5 (1.19) times as wide as high. Upper labials 7 (occasionally 6 or 8). Ear lobules 2-5 (3.7). Nuchals 2-4 (3.1). Midbody scale rows 25-30 (27.7). Lamellae under fourth toe 18-24 (21.7), each with a dark obtuse keel (Storr 1974: 90). 
CommentLimb morphology: 5 digits, 5 toes (Singhal et al. 2018, Cogger 2014) 
  • Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp. - get paper here
  • Cogger, H.G. 2000. Reptiles and Amphibians of Australia, 6th ed. Ralph Curtis Publishing, Sanibel Island, 808 pp.
  • 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
  • Maryan, B. 2005. A HERPETOFAUNA HOTSPOT, THE CENTRAL WEST COAST OF WESTERN AUSTRALIA. Western Australian Naturalist 25 (1): 1-24 - get paper here
  • Maryan, B., Browne-Cooper, R. and Bush, B. 2002. Herpetofauna Survey of the Maralla Road Bushland. Western Australian Naturalist 23: 197-205 - 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
  • Storr G M 1969. The genus Ctenotus (Lacertilia: Scincidae) in the Eastern Division of Western Australia. J. Royal Soc. Western Australia 51: 97-109 - get paper here
  • Storr, G. M. 1971. The genus Ctenotus (Lacertilia: Scincidae) in South Australia. Rec. South Austral. Mus. 16 (6): 1-15 - get paper here
  • Storr, G. M. 1974. The genus Ctenotus (Lacertilia: Scincidae) in the South-west and Eucla Divisions of Western Australia. J R. Soc. West. Aust. 56: 86-93 [1973]
  • Storr, G. M., Smith, L. A. & Johnstone, R. E. 1981. Lizards of Western Australia. I. Skinks. Perth: University of Western Australia Press and Western Australian Museum, 200 pp.
  • Storr, G. M.; L. A. Smith, and R. E. Johnstone 1999. Lizards of Western Australia. I. Skinks. Revised Edition. Western Australian Museum
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
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