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Stenocercus torquatus BOULENGER, 1885

IUCN Red List - Stenocercus torquatus - Vulnerable, VU
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Higher TaxaTropiduridae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common Names 
SynonymStenocercus torquatus BOULENGER 1885: 160
Stenocercus crassicaudatus — BURT & BURT 1931 (part.)
Stenocercus torquatus — TORRES-CARVAJAL 2005 
DistributionC Peru (eastern slopes of Andes: Pasco, Junin), 800-1800 m elevation.

Type locality: Peru”, restricted to “María Teresa, 19 km on road Oxapampa-Llaupi (10° 42’ 05’’ S, 75° 27’ 22’ W), 1470 m elevation, Departamento Pasco, Peru.  
Reproductionoviparous 
TypesHolotype: BMNH 61.5.22.4 
DiagnosisDiagnosis: TORRES-CARVAJAL 2007. 
CommentHas been synonymized previously with Stenocercus crassicaudatus but resurrected by TORRES-CARVAJAL et al. 2005.

Belongs to the clades Scelotrema and Microphractus (fide TORRES-CARVAJAL 2006).

mainly arboreal.

Sympatric with S. boetteri, S. formosus, and S. scapularis (in Pasco). S. variabilis occurs allopatrically at higher elevations (>2500 m) in Junin. 
EtymologyNamed after the Latin torquatus, "adorned with a necklace or collar", refers to the conspicuous, light-bordered black collar in these lizards. 
References
  • 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
  • Burt,C.E. & Burt,M.D. 1931. South American lizards in the collection of the American Museum of Natural History. Bull. Amer. Mus. nat. Hist. 61 (7): 227-395 - get paper here
  • Carranza, S.; E. N. Arnold & F. Amat 2004. DNA phylogeny of Lacerta (Iberolacerta) and other lacertine lizards (Reptilia: Lacertidae): did competition cause long-term mountain restriction? Systematics and Biodiversity 2 (1): 57-77 - get paper here
  • Torres-Carvajal, O.; Lehr, E. & Lundberg, M. 2005. Resurrection of Stenocercus torquatus Boulenger, a spiny-tailed iguanid lizard (Squamata: Iguania) from Peru. Herpetologica 61 (4): 440-448 - get paper here
  • Torres-Carvajal, Omar; James A. Schulte II and John E. Cadle 2006. Phylogenetic relationships of South American lizards of the genus Stenocercus (Squamata: Iguania): A new approach using a general mixture model for gene sequence data. Molecular Phylogenetics and Evolution 39 (1): 171-185 - get paper here
  • VENEGAS, PABLO J.; LOURDES Y. ECHEVARRIA & SILVANA C. ALVAREZ 2014. A new species of spiny-tailed iguanid lizard (Iguania: Stenocercus) from northwestern Peru. Zootaxa 3753 (1): 047–058 - get paper here
 
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