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Dravidogecko douglasadamsi CHAITANYA, GIRI, DEEPAK, DATTA-ROY, MURTHY & KARANTH, 2019

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Subspecies 
Common NamesE: Adams’ Dravidogecko 
SynonymDravidogecko douglasadamsi CHAITANYA, GIRI, DEEPAK, DATTA-ROY, MURTHY & KARANTH 2019: 23
Hoplodactylus anamallensis — BOULENGER 1885
Hoplodactylus anamallensis — BOULENGER 1885 [non Gecko anamallensis GÜNTHER 1875] [partim]
Hoplodactylus anamallensis — BOULENGER 1890 [non Gecko anamallensis GÜNTHER 1875] [partim]
Dravidogecko anamallensis — SMITH 1933
Dravidogecko anamallensis — SMITH 1935 [non Gecko anamallensis GÜNTHER 1875] [partim]
Dravidogecko anamallensis — MURTHY 1993
Dravidogecko anamallensis — SHARMA 2002 [partim]
Hemidactylus anamallensis — BAUER & RUSSELL 1995
Hemidactylus anamallensis — JOHNSINGH 2001 [non Gecko anamallensis GÜNTHER 1875]
Hemidactylus anamallensis — SRINIVASULU et al. 2014 [partim] 
DistributionIndia (Tamil Nadu)

Type locality: Manjolai (8.5514 °N, 77.3597 °E; ca. 1300 m asl.), Tirunelveli District, Tamil Nadu  
Reproduction 
TypesHolotype: ZSI-WGRC 3081 (Kozhikode, given as ZSIK or BNHS 2349), an adult male, collected by R. Venkitesan on 10th June, 2017. 
DiagnosisDiagnosis: Snout-vent length up to 48.5 mm (n=5); two pairs of well-developed postmentals, inner pair of comparable length to the outer postmentals and mental, bordered posteriorly by 2 or 3 gular scales; ventral scales counted at midbody, 31 or 32; precloacofemoral pores, 42 or 43; subdigital lamellae under digit IV of manus, 9 or 10 and under digit IV of pes, 10–12; supralabials 10–12 and infralabials, 8–10 on each side.
Dravidogecko douglasadamsi sp. nov. can be distinguished from other congeners based on the following char- acters: number of precloacofemoral pores (PcFP 40–43 versus 45 or 46 in D. anamallensis, 52–56 in D. septentrio- nalis sp. nov. & 36–38 in D. meghamalaiensis sp. nov.); postmentals of comparable length with mental (ML/1PML 0.98–1.05 versus much longer, 0.74–0.81 in D. anamallensis). 
CommentGenetic divergence (p-distance). Dravidogecko douglasadamsi sp. nov. is 11.0% –16.5% divergent from other previously described congeners.

Habitat: The habitat in Manjolai and the adjoining Kalakkad-Mundanthurai forests where Dravidogecko is found, is chiefly comprised of southern-tropical semi-evergreen (700 m asl) and southern tropical wet evergreen forests (800–1500 m asl). These habitats receive an average annual rainfall of ca. 1600 mm (Ayyanar & Ignacimuthu 2008). This species was seen occupying walls of a tea estate building during the night. 
EtymologyThe specific epithet is a patronym honouring the English author and satirist, Douglas Noel Adams. Adams was also a renowned environmental activist. His radio documentary on critically endangered animals for the British Broadcasting Corporation (BBC) titled “Last Chance to See” and its accompanying book influenced the thinking of a whole generation of wildlife biologists. The etymology also alludes to the number ‘42’—the number of precloacofemoral pores that most specimens of this species possess. The number 42 incidentally is also the answer to the “ultimate question of Life, The Universe and Everything” according to Adams’ seminal book “The Hitchhikers Guide to the Galaxy”. 
References
  • Bauer, AARON M. & ANTHONY PATRICK RUSSELL 1995. The systematic relationships of Dravidogecko anamallensis (Günther 1875). Asiatic Herpetological Research 6: 30-35. - get paper here
  • Boulenger, G.A. 1885. Catalogue of the lizards in the British Museum (Natural History). Vol. 2, Second edition. London, xiii+497 pp. - get paper here
  • Boulenger, George A. 1890. The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia. Taylor & Francis, London, xviii, 541 pp. - get paper here
  • CHAITANYA, R.; VARAD B. GIRI, V. DEEPAK, ANIRUDDHA DATTA-ROY, B.H.C.K MURTHY, PRAVEEN KARANTH 2019. Diversification in the mountains: a generic reappraisal of the Western Ghats endemic gecko genus Dravidogecko Smith, 1933 (Squamata: Gekkonidae) with descriptions of six new species. Zootaxa 4688 (1): 001–056; erratum in Zootaxa 4743 (4): 600 - get paper here
  • Johnsingh, A.J.T. 2001. The Kalakad–Mundanthurai Tiger Reserve: A global heritage of biological diversity. Current Science, 80 (3), 378–388
  • Murthy, T.S.N. 1992. An identification key to the reptiles of the Kalakad Wildlife Sanctuary, Tamil Nadu, India. Records Zool. Survey India 91 (2):161-168 [1993] - get paper here
  • Sharma, R. C. 2002. Fauna of India and the adjacent countries. Reptilia (Sauria). Zoological Survey of India, Kolkata, 430 pp. - get paper here
  • Smith, M.A. 1933. Remarks on some old world geckoes. Records of the Indian Museum 35: 9-19.
  • 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.
  • Srinivasulu, C., Srinivasulu, B. & Molur, S. 2014. The Status and Distribution of Reptiles in the Western Ghats, India. Con- servation Assessment and Management Plan (CAMP). Wildlife Information Liaison Development Society, Coimbatore, Tamil Nadu, 148 pp
 
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