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Trachylepis dumasi (NUSSBAUM & RAXWORTHY, 1995)

IUCN Red List - Trachylepis dumasi - Vulnerable, VU

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Higher TaxaScincidae, Mabuyinae, Scincoidea, Sauria, Squamata (lizards) 
Subspecies 
Common Names 
SynonymMabuya dumasi NUSSBAUM & RAXWORTHY 1995
Mabuya dumasi — GREER & NUSSBAUM 2000
Euprepis dumasi — MAUSFELD & SCHMITZ 2003
Trachylepis dumasi — BAUER 2003
Trachylepis cf. dumasi — BORA et al. 2010 
DistributionMadagascar

Type locality: 0.5 km ENE Amboanemba (river crossing 11 linear km S Tranomaro), 24°40' 40"S, 46°27'00" E, 280 m elevation, Amboasary Fivondronana, Toliara (Tulear) Province, Madagascar  
Reproduction 
TypesHolotype: UMMZ 203663. 
DiagnosisDiagnosis. A Mabuya with lower eyelid undivided and bearing a large transparent disk; subocular rectangular, not narrowed below by intrusion of adjacent anterior supralabial; scales of soles not spinose; subdigital scales acarinate; dorsum and dorsolateral surfaces of body and tail brown without longitudinal stripes and large white spots, but with scattered, tiny black spots confined to individual scales; dorsum of head and neck also brown without large white spots and stripes, but with a few tiny black spots; a row of 5 to 7 prominent white spots along each side of neck beginning just below eye, extending posteriorly across ear opening, and ending above forelimb, white spots fused into white line in places; wide, dark brown to black, dorsolateral stripe on neck above and coextensive with row of white spots. Mabuya dumasidiffers from M. elegans, M. gravenhorsti,and M. madagascariensis by having a rectangular subocular (trapezoidal in the latter three species); from M. aureopunctata and M. vato in lacking white spots on the dorsum of the head, neck, and anterior half of the body; further from M. aureopunctata in size, the maximum SVL of the latter is 82 mm, whereas the largest known M. dumasiis 55 mm SVL; and further from M. vato in having a brown rather than a black head and in having a brown body and tail rather than a reddish bronze posterior body and tail; from M. betsileana and M. boettgeriin having the distinctive pattern of white spots on the sides of the head and neck, which are lacking in these two species; and further from M. boettgeriin lacking the longitudinal light and dark stripes on the neck and body of that species. 
CommentSyntopy: T. aureopunctata, T. elegans, T. gravenhorsti, and T. vato. 
EtymologyNamed after Philip C. Dumas. 
References
  • Bauer, A.M. 2003. On the identity of Lacerta punctata Linnaeus, 1758, the type species of the genus Euprepis Wagler, 1830, and the generic assignment of Afro-Malagasy skinks. African Journal of Herpetology 52:1-7. - get paper here
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • BORA, PARFAIT; J. CHRISTIAN RANDRIANANTOANDRO, ROMA RANDRIANAVELONA, ELISOA F. HANTALALAINA, RAPHALI R. ANDRIANTSIMANARILAFY, DANIEL RAKOTONDRAVONY, OLGA R. RAMILIJAONA, MIGUEL VENCES, RICHARD K. B. JENKINS, FRANK GLAW, AND JÖRN KÖHLER 2010. AMPHIBIANS AND REPTILES OF THE TSINGY DE BEMARAHA PLATEAU, WESTERN MADAGASCAR: CHECKLIST, BIOGEOGRAPHY AND CONSERVATION. Herp. Cons. Biol. 5 (1): 111-125
  • D'Cruze, Neil; Annette Olsonn, David Henson, Sunil Kumar, and David Emmett. 2009. The Amphibians and Reptiles of the Lower Onilahy River Valley, a Temporary Protected Area in Southwest Madagascar. Herp. Cons. Biol. 4: 62-79 - get paper here
  • Greer,A.E. & NUSSBAUM,R.A. 2000. New character useful in the systematics of the scincid lizard genus Mabuya. Copeia 2000 (2): 615-618 - get paper here
  • Lima, Alexandra; D. James Harris, Sara Rocha, Aurélien Miralles, Frank Glaw, Miguel Vences 2013. Phylogenetic relationships of Trachylepis skink species from Madagascar and the Seychelles (Squamata: Scincidae). Molecular Phylogenetics and Evolution 67 (3): 615-620 - get paper here
  • MAUSFELD, Patrick & Andreas SCHMITZ 2003. Molecular phylogeography, intraspecific variation and speciation of the Asian scincid lizard genus Eutropis Fitzinger, 1843 (Squamata: Reptilia: Scincidae): taxonomic and biogeographic implications. Org. Divers. Evol. 3: 161–171
  • Nussbaum, R.A. & C.J. Raxworthy 1995. A new Mabuya (Reptilia: Squamata: Scincidae) of the aureopunctata-group from southern Madagascar. Journal of Herpetology 29 (1): 28-38 - get paper here
  • Ramanamanjato, Jean Baptiste, Ronald A. Nussbaum and Christopher J. Raxworthy. 1999. A new species of Mabuya Fitzinger(Reptilia: Squamata: Scincidae) from the Onilahy River of south-west Madagascar. The Herpetological Journal 9 (2): 65-72.
 
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