Ctenotus essingtonii (GRAY, 1842)

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Higher Taxa	Scincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Subspecies
Common Names	E: Lowlands Plain-backed Ctenotus
Synonym	Tiliqua essingtonii GRAY 1842: 51 Lygosoma (Sphenomorphus) essingtonii — GLAUERT 1960 Ctenotus essingtonii essingtonii — STORR 1981 Ctenotus essingtonii — COGGER 1983: 146 Minervascincus essingtonii — WELLS & WELLINGTON 1985: 34 Ctenotus essingtonii — COGGER 2000: 423 Ctenotus essingtonii — WILSON & SWAN 2010
Distribution	Australia (Northern Territory) Type locality: Port Essington, N. T.
Reproduction	oviparous
Types	Holotype: BMNH 1937.12.6.11
Diagnosis	Diagnosis: a moderately small Ctenotus (SVl to 65 mm) distinguished from congeners by having three of four supraoculars in contact with frontal, two presuboculars, frontoparietals paired, laterally compressed toes with callose or smooth subdigital lamellae, prominent pale midlateral stripe, broad dorsal zone of ground colour, vertebral stripe absent or confined to nape, dark laterodorsal stripe obscure or absent, 26 midbody scale rows, lateral pattern of longitudinal zones or stripes, dark upper lateral zone spotted or unspotted [HORNER 2007].
Comment	Ctenotus essingtonii brevipes STORR 1981 has been elevated to species status by HORNER 2007. Limb morphology: 5 digits, 5 toes (Singhal et al. 2018, Cogger 2014)
Etymology	Named after Port Essington, Northern Territory, Australia, the type locality of the species.
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 Glauert, L. 1960. Herpetological miscellanea. XII. The family Scincidae in Western Australia. Pt. 2. The genus Lygosoma. Western Australian Naturalist 7 (4): 81-99 - get paper here Gray, J. E. 1842. Description of some hitherto unrecorded species of Australian reptiles and batrachians. Zoological Miscellany 2: 51—57 (London: Treuttel, Würtz & Co) - get paper here Horner, P. 2007. Ctenotus quirinus sp. nov. (Reptilia: Sauria: Scincidae) – a new species of skink from the Northern Territory, with the recognition of C. brevipes Storr, 1981 and C. essingtonii (Gray, 1842) as distinct species. The Beagle 23: 119-130 - 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 1970. The genus Ctenotus (Lacertilia: Scincidae) in the Northern Territory. J. Royal Soc. Western Australia 52: 97-108 [1969] - get paper here Storr G M 1978. Notes on the Ctenotus (Lacertilia, Scincidae) of Queensland. Rec. West. Aust. Mus. 6 (3): 319-332 - 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.
External links	IUCN Red List National Center for Biotechnology Information http://www.amonline.net.au/herpetology/research/pdf/scincidae.pdf http://www.lacerta.de/AS/Taxon.php?Genus=50&Species=269 http://www.arod.com.au/arod/reptilia/Squamata/Scincidae/Ctenotus… http://www.arod.com.au/arod/reptilia/Squamata/Gekkonidae/Diplodactylus… Google images

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