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Egernia depressa (GÜNTHER, 1875)

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Higher TaxaScincidae, Egerniinae, Scincoidea, Sauria, Squamata (lizards) 
Subspecies 
Common NamesPygmy Spiny-tailed Skink 
SynonymSilubosaurus depressus GÜNTHER 1875: 15
Egernia depressa — GLAUERT 1960
Egernia depressa — COGGER 1983: 156
Egernia depressa — COGGER 2000: 458
Egernia depressa — DOUGHTY et al. 2011 
DistributionAustralia (Northern Territory, South Australia, Western Australia)

Type locality: S interior of W. A. (as Swan River)  
Reproductionviviparous. 
Typessyntypes: BMNH 1946.8.18.41-42 
DiagnosisDiagnosis: A member of the E. depressa species-group, with a relatively long, deep and broad head, long limbs, long and thin dorsal spines that lie almost parallel to body and project clearly beyond scale, nasals in broad contact, divided nasal scale, numerous supraciliaries (4–6), head scales not raised and lacking spines on posterior border, ear opening large without lobules projecting over opening, 32–38 MBSR, numerous subdigital lamellae on fourth digits (fingers 12–16, toes 14–16), slightly raised flat scales on palmar and plantar surfaces, tail wide, dorsal surface of tail flat with long recurved spines. Colouration: head brown with black sutures, anterior of body light brown, posterior brownish-grey, irregular dark transverse bands on tail and posterior two-thirds of body, bands often edged with white [from DOUGHTY et al. 2011]. 
Comment 
EtymologyThe adjective depressa (Latin) refers to the dorso- ventrally flattened appearance of this species. 
References
  • Cogger, H. G. 2014. Reptiles and Amphibians of Australia, 7th ed. CSIRO Publishing, xxx + 1033 pp.
  • 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
  • Day, K. 1980. Notes on the pygmy spiny tailed skink, Egernia depressa (Günther) in captivity. Herpetofauna (Sydney) 11: 29
  • Doughty, Paul; Luke Kealley, and Stephen C. Donnellan 2011. Revision of the Pygmy Spiny-tailed Skinks (Egernia depressa species-group) from Western Australia, with descriptions of three new species. Rec. West. Austr. Mus. 26: 115–137 - get paper here
  • Glauert, L. 1960. Herpetological miscellanea. XII. The family Scincidae in Western Australia. Pt. 1. The genera Tiliqua, Trachysaurus and Egernia. Western Australian Naturalist 7 (3): 67-77
  • Günther, A. 1875. A list of the saurians of Australia and New Zealand. Pp. 9-19. In: Richardson, J., and J. E. Gray. The zoology of the voyage of H.M.S. Erebus and Terror, during the years 1839 to 1843. By authority of the Lords Commissioners of the Admiralty. Vol. 2. E. W. Janson, London - get paper here
  • Mitchell, F. J. 1950. The scincid genera Egernia and Tiliqua (Lacertilia). Rec. South Austral. Mus. 9: 275-308 - get paper here
  • Obelgönner, Lutz 2009. Egernia depressa – ein stacheliges Juwel. Aquaristik Fachmagazin 41 (4), 84–89
  • Pianka, E. R. 1969. Habitat specificity, speciation, and species density in Australian desert lizards. Ecology 50 (3): 498-502 - get paper here
  • Storr G M 1978. The genus Egernia (Lacertilia, Scincidae) in Western Australia. Rec. West. Aust. Mus. 6 (2): 147-187 - 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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