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Ctenotus serventyi STORR, 1975

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Higher TaxaScincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: North-western Sandy-loam Ctenotus 
SynonymCtenotus serventyi STORR 1975: 233
Ctenotus serventyi — COGGER 1983: 152
Ctenotus serventyi — COGGER 2000: 443
Ctenotus serventyi — WILSON & SWAN 2010
Ctenotus serventyi — SINGHAL et al. 2022 
DistributionAustralia (Western Australia)

Type locality: Christmas Creek, 18° 53’ S, 124° 53’ E, W. A.  
Reproductionoviparous 
TypesHolotype: WAM R46000 
DiagnosisDiagnosis: “A very small member of the leonhardii group with 5 dark stripes on back and white midlateral stripe extending forward to lores; nasals and prefrontals usually contiguous.” (Storr 1975: 233)

Description: “Snout-vent length (mm): 31-57 (43.6). Length of appendages (% SVL): foreleg 23-33 (27.8), hindleg 39-53 (47.6), tail 201-254 (227).
Nasals contiguous (79% of specimens) or separated (usually narrowly). Prefrontals contiguous (75%) or narrowly separated. Supraoculars 4, first 3 in contact with frontal. Supraciliaries 6-9, usually 7, mean 7.1. Palpebrals 8-12 (9.8). Second loreal 0.9-1.6 (1.14) times as wide as high. Second pre-subocular small, often fused to first. Upper labials 8. Ear lobules 3-7 (4.6). Nuchals 1-5 (3.5). Midbody scale rows 24-28 (26.0). Lamellae under fourth toe 18-24 (21.2), compressed, each bearing a dark brown or black obtuse keel or narrow callus.
Dorsally pale brown, more reddish on head, more greenish or greyish on « back, more buffy on tail. Narrow black vertebral stripe from nape to base of tail, edged with brownish white. Narrow dark dorsal stripe between vertebral
and laterodorsal stripes, fading to pale brown with age. Narrow white dorso-lateral stripe from last supraocular to middle of tail or beyond. Upper lateral zone dark brown with 1 or 2 longitudinal series of brownish white dots or short dashes. Narrow whitish midlateral stripe from lores to proximal quarter of tail. Narrow lower lateral zone pale brown. Limbs pale brown, longitudinally striped with dark brown. Under surface lustrous white (under tail occasionally suffused with pink).” (Storr 1975: 233) 
CommentLimb morphology: 5 digits, 5 toes (Singhal et al. 2018, Cogger 2014)

Distribution: see map in Singhal et al. 2022: Fig. 2. 
EtymologyNamed after Dr. Dominic Louis Serventy (1904-1988), an outstanding ornithologist, interested in all aspects of ornithology from biogeography and speciation to breeding seasons, and who had a long-term influence on conservation and government policies. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • 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
  • King M; Horner P; Fyfe G 1988. A new species of Ctenotus (Reptilia: Scincidae) from central Australia, and a key to the Ctenotus leonhardii species group. The Beagle 5 (1) : 147-153
  • Singhal, S., Solis, E., & Rabosky, D. L. 2022. World Heritage lizard: population genetics and species status of the range-restricted Hamelin skink, Ctenotus zastictus. Bulletin of the Society of Systematic Biologists, 1(2) - 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. 1975. The genus Ctenotus (Lacertilia: Scincidae) in the Kimberley and North-west Divisions of Western Australia. Rec. West. Aust. Mus. 3: 209-243 - get paper here
  • 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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