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Ctenotus zebrilla STORR, 1981

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Higher TaxaScincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Common NamesE: Southern Cape York Fine-snout, Ctenotus 
SynonymCtenotus zebrilla STORR 1981: 136
Ctenotus zebrilla — COGGER 2000: 450
Ctenotus zebrilla — WILSON & SWAN 2010 
DistributionAustralia (Queensland)

Type locality: Venture Creek, 62 km E of Croyden, in 18° 13’ S, 142° 49’ E, Qld.  
TypesHolotype: QM J39471 (formerly AMS R63316), collected A. Greer & P. Greer, 
DiagnosisDiagnosis: “A member of the C. colletti group with 8 white stripes on a black ground. Agreeing with C. striaticeps Storr of north-west Queensland in having widely separated prefrontals but differing in failure of paravertebral stripe to extend on to head, presence of dorsal stripe, absence of ventrolateral stripe, fewer subdigitallamellae, and more numerous but smaller ear lobules.” (Storr 1981)

Description: “Snout-vent length (mm): 31-40 (N 3, mean 36.3). Length of appendages (% SVL): foreleg 25-28 (N 3, mean 27.0), hindleg 42-47 (N 3, mean 45.0), tail 177 (N 1). Nasals in moderately long contact. Prefrontals very widely separated. Supraoculars 4, first 3 in contact with frontal. Supraciliaries 7, fourth to penultimate considerably smaller than others. Upper ciliaries 8 or 9. Second loreal 1.3-1.4 times as wide as high. Presuboculars 2. Upper labials 6 or 7. Ear lobules 3-7 (N 3, mean 5.3), first never largest; obtuse in smallest specimen, subacute in others. Nuchals 3 or 4. Midbody scale rows 29 or 30. Toes compressed; 17-21 (N 3, mean 19.2) lamellae under fourth, each with a fine dark mucronate keel.” (Storr 1981)

Coloration: “Upper and lateral surfaces black with 4 white stripes on each side: a narrow paravertebral, a narrow dorsal, a narrow dorsolateral from first supraocular nearly to end of tail, and a midlateral extending forward to first labial after bending above ear aperture.” (Storr 1981) 
CommentLimb morphology: 5 digits, 5 toes (Singhal et al. 2018, Cogger 2014) 
EtymologyNeo-Latin for 'little zebra', in allusion to its black and white stripes. 
  • 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
  • Prates, I., Singhal, S., Marchán-Rivadeneira, M. R., Grundler, M. R., Moritz, C., Donnellan, S., & Rabosky, D. 2021. Genetic and Ecogeographic Controls on Species Cohesion in Australia’s Most Diverse Lizard Radiation. American Naturalist 199 (2): E57-E75 - 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 1981. Ten new Ctenotus (Lacertilia: Scincidae) from Australia. Rec. West. Austr. Mus. 9 (2): 125-146 - get paper here
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
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