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Cyrtodactylus adleri DAS, 1997

IUCN Red List - Cyrtodactylus adleri - Least Concern, LC
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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Alder’s bow-fingered gecko 
SynonymCyrtodactylus adleri DAS 1997
Cyrtodactylus (Cyrtodactylus) adleri — RÖSLER 2000: 64
Cyrtodactylus adleri — LIVIGNI 2013: 262
Cyrtodactylus adleri — CHANDRAMOULI 2020 
DistributionIndia (Nicobar Islands)

Type locality: ‘1 km E Galathea River mouth, Great Nicobar Island (= Sambelong), India’; ‘Galathea National Park, Great Nicobar Island, India’ ‘Shompen Hut, Great Nicobar Island, India’ ‘circa two km E Kopen Heat (= Dakoank), Great Nicobar Island, India’ ‘Magar Nullah, 3 km W Campbell Bay, Great Nicobar, India’ ‘Great Nicobar, India’. All localities lie around coordinates 06º 48’N; 93º 51’E.  
Reproductionoviparous 
TypesHolotype: ZSI 25057, paratypes: ZSI 25058, ZSI 25060, ZSI 25061, ZSI 23398, ZSI 25117 
DiagnosisDiagnosis: Cyrtodactylus adleri is endemic to the southern group of islands in the Nicobar archipelago and is characterized by: moderate adult body size (SVL 42.13–62.8 mm); intensely tuberculate dorsum (18–20 transverse rows at midbody); 10–11 supralabials; 8-10 infralabials; two elongate inner pair of post-mentals in broad contact with each other; two smaller, separated outer pair of post- mentals; absence of a precloacal groove (vs. present in C. rubidus and C. nicobaricus sp. nov.) and up to six precloacal pores in males; presence of 4 enlarged inter- nasals; 46–50 transverse rows of imbricate ventrals (vs. juxtaposed in C. rubidus and C. camortensis sp. nov. ); 20–23 transverse rows of keeled triheadral dorsal tuber- cles; two pairs of rounded cloacal spurs in males; 18–20 subdigital lamellae under the IV toe; absence of a nuchal loop formed by post ocular streaks extending and joining at the nape and a dorsal colour pattern of dark vertebral spots, bounded by lateral streaks (vs. 5–6 dark transverse bands on a dark brown ground colour in C. rubidus and C. nicobaricus sp. nov.) (Chandramouli 2020: 85). 
Comment 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Chandramouli, S. R. 2020. A review of the Gekkonid genus Cyrtodactylus Gray, 1827 (Sauria: Gekkonidae) in the Andaman and Nicobar archipelago with the description of two new species from the Nicobar Islands. Asian Journal of Conservation Biology 9 (1): 78-89 - get paper here
  • Das, I. 1997. A new species of Cyrtodactylus from the Nicobar Island, India. Journal of Herpetology 31 (3): 375-382. - get paper here
  • Das, Indraneil & Abhijit Das 2017. A Naturalist’s Guide to the Reptiles of India, Bangladesh, Bhutan, Nepal, Pakistan and Sri Lanka. John Beaufoy Publishing Ltd., Oxford, 176 pp.
  • LiVigni, F. (ed.) 2013. A Life for Reptiles and Amphibians, Volume 1. Chimaira, Frankfurt, 495 pp. - get paper here
  • Mohan, Ashwini Venkatanarayana 2020. An update to species distribution records of geckos (Reptilia: Squamata: Gekkonidae) on the Andaman and Nicobar Islands, Bay of Bengal. Herpetology Notes 13: 631-637 - get paper here
  • Rangasamy, V.; C. Sivaperuman, G. Gokulakrishnan, and P. Parthipan 2018. Herpetofauna of Andaman and Nicobar Islands. in: C. Sivaperuman, K. Venkataraman (eds.), Indian Hotspots, Springer, pp: 37-56 - get paper here
  • Rösler, H. 2000. Kommentierte Liste der rezent, subrezent und fossil bekannten Geckotaxa (Reptilia: Gekkonomorpha). Gekkota 2: 28-153
  • Rösler, H. & Glaw, F. 2008. A new species of Cyrtodactylus Gray, 1827 (Squamata: Gekkonidae) from Malaysia including a literature survey of mensural and meristic data in the genus. Zootaxa 1729: 8–22 - get paper here
  • Venugopal, P.D. 2010. An updated and annotated list of Indian lizards (Reptilia: Sauria) based on a review of distribution records and checklists of Indian reptiles. Journal of Threatened Taxa 2 (3): 725-738. - get paper here
 
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