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Lerista uniduo STORR, 1984

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Higher TaxaScincidae, Sphenomorphinae (Sphenomorphini), Scincoidea, Sauria, Squamata (lizards)
Common NamesE: Slender Broad-blazed Slider
E: Spotted Broad-blazed Slider [maculosa] 
SynonymLerista uniduo STORR 1984
Lerista maculosa STORR 1991
Lerista maculosa — COGGER 2000: 761
Lerista uniduo — COGGER 2000: 534
Telchinoscincus uniduo — WELLS 2012: 134
Lerista uniduo — WILSON & SWAN 2010
Lerista uniduo — APLIN et al. 2022 
DistributionAustralia (Western Australia)

Type locality: 8 km SSE of Boolathana, WA [24°43'S 113°43'E].

maculosa: Australia (Western Australia); Type locality: 5 km W Overlander, WA [26°24'S 114°25'E].  
TypesHolotype: WAM R71407.
Holotype: WAM R95921 [maculosa] 
DiagnosisDiagnosis (maculosa): A member of the L. nichollsi complex with immovable eyelids, distinguishable from all others by heavily spotted pattern. (Storr 1991)

Description (maculosa): Snout-vent length (mm): 39-41 (N 2). Tail (% SVL): 90 (N 1). Nasals in contact. Prefrontals widely separated. Frontoparietals and interparietal fused. Supraoculars 3, first two in contact with frontal. Supraciliaries 1 + 2 (second fused to first supraocular). Loreal I (second fused to prefrontal). Presuboculars 2. Upper labials 6. Nuchals 2. Midbody scale rows 18. Lamellae under longer toe 10-11. Forelimb represented by a minute pit. (Storr 1991)

Coloration (maculosa): Top of head pale greyish brown stippled with dark brown. Back and tail pale brown with 4 longitudinal rows of small dark brown spots (outer series darker). Side of head barred and blotched with blackish brown (all but last upper labial almost wholly dark). Side of body and tail brownish white with 5 rows of dark brown to blackish brown spots (largest, darkest and tending to be transversely elongate on upper flanks). Hindlegs and lower surfaces brownish white to pale brown, stippled or indistinctly spotted or barred with pale brown, except for white mental and pre-anal scales. (Storr 1991) 
CommentLimb morphology: 0 digits, 2 toes

Synonymy: WELLS 2012: 134 lists this species as a synonym of Telchinoscincus (= Lerista) uniduo STORR 1984. This seems to be based on note 68 in Aplin & Smith 2001 who say “Following Aplin et al. (submitted) we treat Lerista maculosa Storr, 1991 as a probable junior synonym of L. uniduo 1984.” However, the Aplin paper got only published as Aplin et al. 2022. In agreement with Kendrick (1991), Aplin et al. 2022 consider the two specimens of L. maculosa as uncommon pattern variants of L. uniduo. Other possibilities are that the two L. maculosa specimens are products of a rare hybridisation event between L. uniduo and another member of this species complex.

Etymology (maculosa): Latin for covered in spots. 
  • Aplin, K.P. and L.A. Smith 2001. Checklist of the frogs and reptiles of Western Australia. Records of the Western Australian Museum Supplement No. 63: 51–74 - get paper here
  • Aplin, K.P.; M.A. Cowan, and P. Doughty 2022. Synonymy of two west coast Lerista (Reptilia: Scincidae) species. RECORDS OF THE WESTERN AUSTRALIAN MUSEUM 37: 022–025 - 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
  • Kendrick, P.G. 1991. ‘The phylogenetics and comparative ecology of Lerista Bell, 1883; patterns of evolution in a genus of sand-swimming skinks’. Unpublished PhD thesis, University of Western Australia, Perth, Australia
  • Skinner, Adam; Michael S Y Lee and Mark N Hutchinson 2008. Rapid and repeated limb loss in a clade of scincid lizards. [Lerista]. BMC Evolutionary Biology 8:310 - get paper here
  • Storr G M 1984. Revision of the Lerista nichollsi complex (Lacertilia: Scincidae). Rec. West. Austr. Mus. 11 (2): 109-118 - get paper here
  • Storr G M 1991. Four new members of the Lerista nichollsi complex (Lacertilia: Scincidae). Rec. West. Austr. Mus. 15 (1) 1991: 139-147 - get paper here
  • Storr, G. M.; L. A. Smith, and R. E. Johnstone 1999. Lizards of Western Australia. I. Skinks. Revised Edition. Western Australian Museum
  • Wells, R. 2012. Some Taxonomic and Nomenclatural Considerations on the Class Reptilia in Australia. A Reclassification of the Genus Lerista (Scincidae), including the Descriptions of New Genera. Australian Biodiversity Record (1): 1-361
  • Wilson, S. & Swan, G. 2010. A complete guide to reptiles of Australia, 3rd ed. Chatswood: New Holland, 558 pp.
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