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Lankascincus gansi GREER, 1991

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Higher TaxaScincidae, Sphenomorphinae (Ristellidae), Scincoidea, Sauria, Squamata (lizards) 
Subspecies 
Common NamesGans' Tree Skink 
SynonymLankascincus gansi GREER 1991
Lankascincus gansi — AUSTIN et al. 2004
Lankascincus gansi — BATUWITA 2019: 241 
DistributionSri Lanka (lowland wet zone forest area)

Type locality: Udugama, near Deniyaya, Southern Province, Ceylon.  
Reproductionoviparous 
TypesHolotype: CM 67932 
DiagnosisDiagnosis. Distinguished from all other species of Lankascincus by the following combination of characters: prefrontals in contact with each other; frontoparietals two; supraciliaries 9–10; primary temporals two; secondary temporals two, separated; supra- labials seven; postsupralabials two; paraver- tebral scales 41–48, equal in size; ventral scales 42–58; transverse scale rows across midbody 24–26; subdigital lamellae under fourth digit of manus 6–10; subdigital lamellae under fourth digit of pes 11–13; maximum SVL 39.8 mm; general body color of male bluish black, of female light brown (BATUWITA 2019: 243).

Comparisons. Here I compare L. gansi with other congeners, listing only opposing suites of character states. Lankascincus taprobanensis: single primary temporal and six supralabials; L. fallax: secondary tempo- rals in contact with each other and last supralabial subequal to the preceding supralabial; L. megalops: adpressed limbs overlapping, two rows of supradigital scales, and 15–18 subdigital lamellae under fourth digit of pes; L. deignani: single primary temporal, secondary temporals in contact, and 19–20 subdigital lamellae under fourth digit of pes; L. dorsicatenatus: general body color light brown in male, catenated pattern on dorsum in female, two rows of supra- digital scales, and 15–19 subdigital lamellae under fourth digit of pes; L. taylori: single primary temporal, secondary temporals in contact, and last supralabial subequal to the preceding supralabial; L. sripadensis: single primary temporal, secondary temporals in contact, and last supralabial subequal to the preceding supralabial; L. greeri: subocular pale spot, single primary temporal, second- ary temporals in contact, and last supralabial subequal to the preceding supralabial (BATUWITA 2019: 244). 
Comment 
EtymologyNamed after Carl Gans (1923-2009), German-born American herpetologist. See Adler et al. 2010 for obituaries. 
References
  • Adler, K. 2010. Carl Gans (1923–2009) and the Integrative Biology of Reptiles. Herpetological Review 41 (2): 142-150 - get paper here
  • Austin, C.C.; Das, I. & De Silva, A. 2004. Higher-level molecular phylogenetic relationships of the endemic genus Lankascincus from Sri Lanka based on nuclear DNA sequences. Lyriocephalus 5 (1-2): 11-22 [special issue] - get paper here
  • Batuwita, Sudesh 2019. A REVIEW OF THE LIZARDS OF THE ENDEMIC GENUS LANKASCINCUS (REPTILIA: SCINCIDAE: LYGOSOMINAE) FROM SRI LANKA. Bulletin of the Museum of Comparative Zoology 162(3), (8 April 2019) - get paper here
  • Batuwita, Sudesh and Rohan Pethiyagoda 2007. Description of new species of Sri Lankan Litter Skink (Squamata: Scincidae: Lankascincus). Ceylon Journal of Science (Bio. Sci.) 36(2):80-87
  • BAUER, AARON M. 2010. Reminiscences of Carl Gans Herpetological Review 41 (2): 147-148 - get paper here
  • BELL, CHRISTOPHER J. 2010. Carl Gans: The Austin Years 1997–2009 Herpetological Review 41 (2): 148-150 - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Greer A E 1991. Lankascincus, a new genus of scincid lizards from Sri Lanka, with descriptions of three new species. Journal of Herpetology 25 (1): 59-64 - get paper here
  • Jayaneththi, Hareschandra Bandula 2015. Vertebrate fauna of Morankanda-Mukalana secondary forest patch in Sri Lanka: A checklist reported from 2004-2008 survey. RUHUNA JOURNAL OF SCIENCE 6: 21- 41
  • NORTHCUTT, R. GLENN 2010. Carl Gans: The Ann Arbor Years Herpetological Review 41 (2): 147 - get paper here
  • ROSENBERG, HERB 2010. Carl Gans: The Buffalo Years of 1961–1967 Herpetological Review 41 (2): 144-147 - get paper here
  • Somaweera, R. & Somaweera, N. 2009. Lizards of Sri Lanka: a colour guide with field keys. Chimaira, Frankfurt, 304 pp.
  • Wickramasinghe, L.J. MENDIS; Rodrigo, R.; Dayawansa, N. & Jayantha, U.L.D. 2007. Two new species of Lankascincus (Squamata: Scincidae) from Sripada Sanctuary (Peak Wilderness), in Sri Lanka. Zootaxa 1612: 1–24 - get paper here
  • Ziesmann, S.; Klaas, P.& Janzen, P. 2007. Von Skinken und anderen Echsen [Sri Lankas]. Draco 7 (30): 18-23 - get paper here
 
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