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

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Higher TaxaGekkonidae, Gekkota, Sauria, Squamata (lizards: geckos)
Common NamesE: Wayanad Dravidogecko 
SynonymDravidogecko septentrionalis CHAITANYA, GIRI, DEEPAK, DATTA-ROY, MURTHY & KARANTH 2019
Hemidactylus anamallensis — BAUER & RUSSELL 1995
Hemidactylus anamallensis — PHILIP et al. 2011 [non Gecko anamallensis GÜNTHER 1875]
Hemidactylus anamallensis — BANSAL & KARANTH 2013 [non Gecko anamallensis GÜNTHER 1875] 
DistributionIndia (Kerala)

Type locality: Lakkidi village (11.5184°N, 76.0451°E; ca. 873 m asl.), Wayanad District, Kerala  
TypesHolotype. BNHS 2340, an adult male, collected by B.H.C.K Murthy and RC on 27th November, 2016.
Paratypes: Details of collection same as the holotype. BNHS 2341, BNHS 2342, BNHS 2344, ZSIK 2971, ZSIK 2972, ZSIK 2975 adult females; BNHS 2343, ZSIK 2973, ZSIK 2974 adult males. 
DiagnosisDiagnosis. Snout-vent length up to 56.9 mm (n=10); internasals separated by 2 smaller scales; two pairs of well-developed postmentals, inner pair slightly longer than the outer, briefly in contact with each other behind mental, bordered by mental, infralabial I, outer postmentals and 2 or 3 gular scales. ventral scales counted at midbody, 30–35; precloacofemoral pores, 52–56 (n=4); subdigital lamellae under digit IV of ma- nus, 7–10 and under digit IV of pes, 10–13; supralabials, 8–10 and infralabials, 7–10 on each side.
Dravidogecko septentrionalis sp. nov., though closely allied to D. anamallensis, can be easily distinguished from the latter by the presence of a greater number of precloacofemoral pores, (PcFP 52–56 versus 45 or 46), a greater num- ber of ventral scales (VS 30–35 versus 25–28) and number of scales between the internasals (two versus one). 
CommentGenetic divergence (p-distance). Dravidogecko septentrionalis sp. nov. exhibits 0.3% intraspecific variation, and is 5.0–6.5 % divergent from D. anamallensis (Table 9 in Chaitanya et al. 2019).

Habitat: The type-series of Dravidogecko septentrionalis sp. nov. was collected from outer compound walls of buildings in Lakkidi village in the western part of the Wayanad plateau. The abutting veg- etation is predominantly mid-elevation evergreen forests that get ca. 3500mm–6000mm of annual rainfall (Anu & Sabu 2007). They were found only in areas that were above 850 m asl and seem to be restricted to isolated hillocks with conducive ecological conditions. 
EtymologyThe specific epithet is an adjective in the nominative case derived from the Latin for ‘northern’, referring to the distribution of this species to the north of the Palghat Gap. 
  • Bansal R, Karanth KP 2013. Phylogenetic Analysis and Molecular Dating Suggest That Hemidactylus anamallensis Is Not a Member of the Hemidactylus Radiation and Has an Ancient Late Cretaceous Origin. PLoS One 8 (5): e60615. doi:10.1371/journal.pone.0060615 - get paper here
  • Bauer, AARON M. & ANTHONY PATRICK RUSSELL 1995. The systematic relationships of Dravidogecko anamallensis (Günther 1875). Asiatic Herpetological Research 6: 30-35. - 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
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