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Chalcides pentadactylus (BEDDOME, 1870)

IUCN Red List - Chalcides pentadactylus - Data Deficient, DD
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Higher TaxaScincidae, Scincinae, Scincoidea, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymSphenocephalus ? pentadactylus BEDDOME 1870: 30
Chalcides pentadactylus — BOULENGER 1890: 224
Chalcides pentadactylus — SMITH 1935: 350
Chalcides pentadactylus — DAS 1996: 45 
DistributionIndia (Kerala)

Type locality: "Kuddle Poondy, a tidal river near Beypore" (= Kadal Undi, Beypur, 11º 11'N; 75º 49'E, in Kerala State, south-western India), Malabar district  
Reproductionovovivparous 
TypesHolotype: lost fide SMITH 1935 
DiagnosisOriginal description: “THE anterior legs minute and fitting into a groove, fingers five, the third slightly longer than the fourth, tirst and tifth very small; posterior legs well formed, toes five, the fourth longer than the third, the fifth very sinall; form slender, four and quarter inches long, as thick .as a goose quill, two-thirds cylindrical, dat, and laterally angled beneath as far as the vent; the body and tail covered with small smooth lustrous hexagonal scales, with a median row of broader subcaudals; upper lip covering the mouth, eyes minute, surrounded by small scales; no external trace of ears; nostrils in small single shields let into the posterior side of the rostral, with a small post-nasal behind each, and two large shields in the loreal region between the post-nasal and the eye; rostral square behind, a single prefrontal narrow and a parallelogram in shape; post frontal single six-sided, vertical broader behind; occipital rounded behind, with a small shield between them, which is let into the posterior base of the vertical; five plates (some divided) over the eye, and between it and the vertical and postfrontal; upper labial 8-9, the fourth and 6th below the eye, some large shields over the posterior ones ; the distance between the axils of the fore and hind limbs is A little more than one and three-quarter inch; color of a uniform dark brown; hind limbs a little more than half an inch long ; fore limbs very slender, and not quite a quarter inch long.” (Beddome 1870: 318) 
CommentAbundance: only known from the type specimen (Meiri et al. 2017). 
References
  • Beddome, R.H. 1870. Descriptions of some new lizards from the Madras Presidency. Madras Monthly J. Med. Sci. 1: 30-35
  • 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
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Palot, M.J. 2015. A checklist of reptiles of Kerala, India. Journal of Threatened Taxa 7(13): 8010–8022 - 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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