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Tupinambis cryptus MURPHY, JOWERS, LEHTINEN, CHARLES, COLLI, PERES JR, HENDRY & PYRON, 2016

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Higher TaxaTeiidae, Tupinambinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesS: Mato de agua, mato pollero, mato real
E: Cryptic golden tegu
G: Kryptischer Goldteju
Portuguese: Teiú, Teju 
SynonymTupinambis cryptus MURPHY, JOWERS, LEHTINEN, CHARLES, COLLI, PERES JR, HENDRY & PYRON 2016 
DistributionVenezuela (west to Falcon), French Guiana, Guyana, Suriname, Brazil (south to the confluence of the Rio Negro and Rio Branco), Colombia (into the Andes in the vicinity of Bucaramango), Trinidad

Type locality: Dubulay Ranch on the Berbice River, elevation 200 ft asl, 5.681944–57.533333, Guyana.  
Reproductionoviparous 
TypesHolotype: AMNH 140937, male. Size SVL 323 mm, tail broken. Collected 5 March 1994 by Charles J. Cole and Carol R. Townsend. 
DiagnosisDiagnosis: (1) Five supraoculars (rarely four or six), first supraocular is the longest, second largest in area; (2) last supraocular contacts three ciliaries (rarely two); (3) ventral side of head usually with heavy mottling and black spots; (4) largest pre-femoral scales are imbricate, hexag- onal, and longer than tall; (5) two enlarged supratemporal scales, a second row of enlarged but smaller scales ventral to the two enlarged scales; (6) one occipital usually contacts the interpar- ietal; (7) rostral is readily visible in dorsal view; (8) adult dorsum often has transverse bands that fade with age but are still distinct, does not hold true for the Trinidad and Tobago popula- tions which usually retain well defined bands into adulthood; (9) the anterior corner of the orbit is usually over upper labial four or the seam of upper labials three and four. This species corresponds to clade 4 in the molecular analysis.


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CommentDistribution: see map in Murphy et al. 216: 12 (Fig. 7). 
EtymologyNamed after cryptus for it similarity to Tupinambis teguixin. On Trinidad it is commonly known as the matte, on Tobago it is called the salempenta. 
References
  • Auguste, Renoir J. 2019. Herpetofaunal checklist for six pilot protected areas in Trinidad and Tobago. Herpetology Notes 12: 577-585 - get paper here
  • Gonzalez R. C. et al. 2020. Lista dos Nomes Populares dos Répteis no Brasil – Primeira Versão. Herpetologia Brasileira 9 (2): 121 – 214 - get paper here
  • Hedges SB, Powell R, Henderson RW, Hanson S, and Murphy JC 2019. Definition of the Caribbean Islands biogeographic region, with checklist and recommendations for standardized common names of amphibians and reptiles. Caribbean Herpetology 67: 1–53
  • Kwet, Axel 2017. Neue Arten: Liste der im Jahr 2016 neu beschriebenen Reptilien. Terraria-Elaphe 2017 (3): 54-70 - get paper here
  • Murphy JC, Jowers MJ, Lehtinen RM, Charles SP, Colli GR, Peres AK Jr, Peres Jr AK, Hendry CR, Pyron RA 2016. Cryptic, Sympatric Diversity in Tegu Lizards of the Tupinambis teguixin Group (Squamata, Sauria, Teiidae) and the Description of Three New Species. PLoS One 11 (8): e0158542.doi:10.1371/journal.pone.0158542 - get paper here
  • RIBEIRO-JÚNIOR, MARCO A., SILVANA AMARAL 2016. Catalogue of distribution of lizards (Reptilia: Squamata) from the Brazilian Amazonia. III. Anguidae, Scincidae, Teiidae. Zootaxa 4205 (5): 401–430 - get paper here
  • Señaris, J. Celsa; María Matilde Aristeguieta Padrón, Haidy Rojas Gil y Fernando J. M. Rojas-Runjaic 2018. Guía ilustrada de los anfibios y reptiles del valle de Caracas, Venezuela. Ediciones IVIC, Instituto Venezolano de Investigaciones Científicas (IVIC). Caracas, Venezuela. 348 pp.
  • Silva, Marcélia B.; Marco A. Ribeiro-Júnior, and Teresa C. S. Ávila-Pires 2018. A New Species of Tupinambis Daudin, 1802 (Squamata: Teiidae) from Central South America. Journal of Herpetology 52 (1): 94-110 - get paper here
  • Ziegler, T., Rauhaus, A. & Vences, M. 2020. Welt-Zooerstzucht des Kryptischen Goldtejus (Tupinambis cryptus) im Terrarium des Kölner Zoos. Elaphe 2020 (1): 22-31
  • Ziegler, Thomas; Anna Rauhaus & Miguel Vences 2019. Does genetic screening reveal first zoo breeding of the Cryptic Golden Tegu (Tupinambis cryptus)? Zool. Garten N.F. 87: 25-40
 
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