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Cyrtodactylus speciosus (BEDDOME, 1870)

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Forest Spotted gecko 
SynonymGymnodactylus speciosus BEDDOME 1870: 172
Gymnodactylus nebulosus — BOULENGER 1885 (in part)
Gymnodactylus collegalensis — SMITH 1935 (in part)
Geckoella cf. speciosus — AGARWAL & KARANTH 2015
Cyrtodactylus speciosus — GANESH & ARUMUGAM 2016: 13 
DistributionIndia (NW Tamil Nadu)

Type locality: “tope near Erode [Tamil Nadu]” (Erode, Erode District, Tamil Nadu, India)  
TypesHolotype: BMNH 1946.9.4.88 
DiagnosisDiagnosis. Cyrtodactylus speciosus shares the characters of the C. collegalensis complex listed in the diagnosis of C. collegalensis, which separate it from all other Cyrtodactylus species. C. speciosus can be differentiated from the Sri Lankan C. yakhuna by dorsal colour pattern (two bands from behind occiput to between hindlimb insertion, ~twice as broad as lighter interspaces vs. one or two rows of spots/bands, equal to or narrower than interspaces). C. speciosus can be differentiated from C. collegalensis by its relatively larger head (SVL/HL 3.75 ± 0.08 vs. 3.57 ± 0.13), colour pattern of head dorsum (two interorbital spots and elongate central occipital streak longer than the two occipital spots vs. two occipital spots longer than the two interorbital spots, longer or shorter than elongate central occipital streak), dorsal colour pattern (two dark bands from behind occiput to between hindlimb insertion — one beginning behind forelimb insertion and the last ending just above the hindlimb insertion, lighter interspaces ~1/2 width of bands, no stippling in interspaces vs. three pairs of dark spots that may be fused into 8-shaped markings between limb insertions — one beginning behind forelimb insertion largest and the last ending just above the hindlimb insertion smallest, lighter interspaces smaller than largest spot and larger than smallest, stippled) (Agarwal et al. 2016). 
CommentSimilar species: Cyrtodactylus collegalensis with which it has been often confused. 
  • Agarwal, Ishan; K. Praveen Karanth 2014. A phylogeny of the only ground-dwelling radiation of Cyrtodactylus (Squamata, Gekkonidae): diversification of Geckoella across peninsular India and Sri Lanka. Molecular Phylogenetics and Evolution 82: 193-199 - get paper here
  • AGARWAL, ISHAN; ZEESHAN A. MIRZA, SAUNAK PAL, SIMON T. MADDOCK, ANURAG MISHRA, AARON M. BAUER 2016. A new species of the Cyrtodactylus (Geckoella) collegalensis (Beddome, 1870) complex (Squamata: Gekkonidae) from Western India. Zootaxa 4170 (2): 339–354 - get paper here
  • Beddome, R. H. 1870. Descriptions of new reptiles from the Madras Presidency. Madras Monthly J. Med. Sci., 2: 169-176 [Reprint.: J. Soc. Bibliogr. Nat. Sci., London, 1 (10): 327-334, 1940]
  • Ganesh, S. R.; M. Arumugam 2016. Species Richness of Montane Herpetofauna of Southern Eastern Ghats, India: A Historical Resume and a Descriptive Checklist. Russ. J. Herpetol. 23 (1): 7-24 - get paper here
  • Ganesh, S.R.; S. Bhupathy, P. Karthik, G. Babu Rao & S. Babu 2020. Catalogue of herpetological specimens from peninsular India at the Sálim Ali Centre for Ornithology & Natural History (SACON), India. JoTT 12 (9): 16123–16135 - get paper here
  • Grismer, L. L., Wood, P. L., Poyarkov, N. A., Le, M. D., Kraus, F., Agarwal, I., ... & Grismer, J. L. 2021. Phylogenetic partitioning of the third-largest vertebrate genus in the world, Cyrtodactylus Gray, 1827 (Reptilia; Squamata; Gekkonidae) and its relevance to taxonomy and conservation. Vertebrate Zoology 71: 101–154 - get paper here
  • Smith, M.A. 1935. The fauna of British India, including Ceylon and Burma. Reptiles and Amphibia, Vol. II. Sauria. Taylor and Francis, London, 440 pp.
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