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Ameivula pyrrhogularis (BASTO DA SILVA & ÁVILA-PIRES, 2013)

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Higher TaxaTeiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Common NamesPortuguese: Calango, Calango-Ligeiro, Calango-Tijubina, Tijubina, 
SynonymCnemidophorus pyrrhogularis BASTO DA SILVA & ÁVILA-PIRES 2013
Cnemidophorus ocellifer — RODRIGUES 2003: 185 (part)
Cnemidophorus ocellifer — RODRIGUES 2004: 167 (part)
Ameivula pyrrhogularis — ARIAS et al. 2014 
DistributionBrazil (Piauí)

Type locality: Fazenda Bonito (05°13’36”S, 41°41’59”W), Municipality of Castelo do Piauí, Piauí State, Brazil.  
TypesHolotype: MPEG 29577, adult male, collected by F. R. Silva, K. C. Bezerra, F. M. O. Neto and F. H. R. Leite, 8 December 2005. Paratypes. Brasil: Piauí. Municipality Castelo do Piauí: MPEG 29548–550, MPEG 29561, MPEG 29567, MPEG 29570, MPEG 29573–574, and MPEG 29576, September 2005, MPEG 29553, MPEG 29565, MPEG 29568, MPEG 29572, MPEG 29551 and MPEG 29562, February 2006, MPEG 29554, MPEG 29555, MPEG 29560, and MPEG 29569, April 2006, MPEG 29559, May 2006, MPEG 29552, MPEG 29556-558, MPEG 29563– 564, MPEG 29566, MPEG 29570-571, and MPEG 29575, July 2006, all collected in the type-locality by the same collectors of the holotype. Municipality Cabeceiras do Piauí: MPEG 16867–71, MPEG 16874–77, MPEG 16879, January 1994, Cacimba de Dentro (4°25’S, 42°25’W), J. S. Silva-Jr. Municipality Campo Maior: MPEG 29540–547, January 2010, Fazenda Itamaraty (05°59’06”S, 41°53’21”W), M. B. Silva. Municipality Floriano: MPEG 26889, MPEG 26891–92, MPEG 26894–95, March 2009, Usina Hidrelétrica de Parnaíba (06°47’40”S, 49°16’2”W), P. L. V. Peloso. Municipality Guadalupe: CHNUFPI 001–0017, May 2011, Fazenda São Pedro (6°55’52.1S, 43°39’7.7W), L. S. Carvalho. Municipality José de Freitas: MPEG 29508 and MPEG 29538, June 2003, MPEG 29507, July 2003, MPEG 29505–506, September 2003, MPEG 29492 and MPEG 29504, October 2003, MPEG 29504, November 2003, Eco Resort Nazareth (04°45’23”S, 42°34’32”W), W. A. Rocha, C. J. S. Lima, V. H. L. Cavalcante and F. S. Santos; MPEG 29489–491, MPEG 29493–496, MPEG 29501–502, April 2008, MPEG 29497–500 and MPEG 29503, September 2008, Fazenda Santa Fé (04°39’S, 42°21’W), V. H. L. Cavalcante. Municipality Lagoa Alegre: MPEG 16820-21, July 1993, Riachão (04°30’S, 42°37’W), J. S. Silva-Jr. Municipality Parnaíba: MPEG 29650–29657, April 2009, Pedra do Sal (2°48’38,33”S, 41°44’13,73”W), R. R. S. Leite; MPEG 29658–29666, April 2009, Saquim (2°46’3,41”S, 41°48’21,88”W), R. R. S. Leite. Municipality Piracuruca: MPEG 29515, January 2004, MPEG 29536, February 2004, MPEG 29512, MPEG 29523, MPEG 29533, MPEG 29537, and MPEG 29522, March 2004, MPEG 29518 and MPEG 29523, April 2004, MPEG 29521, August 2004, MPEG 29532 and MPEG 29535, December 2004, MPEG 29519, MPEG 29531, MPEG 29511, MPEG 29517, and MPEG 29527, March 2005, MPEG 29516, MPEG 29525, MPEG 29520, MPEG 29510, and MPEG 29509, September 2005, Parque Nacional de Sete Cidades (04°05’S, 41°30’W), W. A. Rocha and V. H. L. Cavalcante. 
DiagnosisDiagnosis. Cnemidophorus pyrrhogularis is a member of the ocellifer subgroup. It is characterized by (between parentheses species from which it differs in that respect) being bisexual (only females in C. nativo); 16– 24 femoral pores (31–34 in C. abaetensis, 30–34 in C. littoralis, 33–40 in C. venetacaudus and 31–38 in C. cyanurus–all littoralis group, 24–26 in C. nativo, 11–16 in C. jalapensis, 14–21 in C. confusionibus), enlarged scale in the temporal region posterior to third subocular (not enlarged in littoralis subgroup); five supraciliaries (6– 7 in littoralis subgroup); absence of spurs on the heel of males (presence in littoralis subgroup); 26–31 ventral scales in transverse rows (33–35 in C. abaetensis, 30–39 in C. littoralis, 30–32 in C. venetacaudus and 29–33 in C. cyanurus); maximum SVL male 89 mm, female 77.5 mm (male 76.5 mm, female 70.1 mm in C. cf. ocellifer, male 59 mm, female 57 mm in C. mumbuca, male/females 56 mm in C. jalapensis); 23–33 scales around the tail (20–24 in C. mumbuca, 19–26 in C. jalapensis, 20–28 in C. confusionibus, 27–32 in C. nigrigula); 192–255 dorsals, 13–19 lamellae under fourth finger, and 24–34 under fourth toe (respectively 178–241, 16–18, and 26–31 in C. cf. ocellifer); hemipenes with shallow folds in the asulcate face (with flounces in C. venetacaudus, smooth in C. confusionibus and with folds in C. cf. ocellifer). Regarding colour pattern, C. pyrrhogularis presents complete vertebral, paravertebral, dorsolateral and laterals stripes, bluish lateral ocelli, gular region orange in males, and brown tail (absence of stripes in C. venetacaudus, incomplete vertebral stripe in C. cf. ocellifer, yellow lateral ocelli in C. confusionibus, gular immaculate in C. confusionibus, C. mumbuca and C. jalapensis and black in C. nigrigula, lateral ocelli absent in C. nativo and C. jalapensis, bluish-green tail in littoralis subgroup). 
EtymologyThe specific epithet is derived from the Latin "pyrrhos", that means flame-colored, and "gularis", meaning throat, in allusion to the orange throat in males of this species. 
  • Arias FJ, Recoder R, Álvarez BB, et al 2018. Diversity of teiid lizards from Gran Chaco and Western Cerrado (Squamata: Teiidae). Zool Scr. 2018;47:144–158 - get paper here
  • Arias, Federico Jose, Mauro Teixeira Junior, Renato Sousa Recoder, Celso Morato de Carvalho, Hussam Zaher and Miguel Trefault Rodrigues. 2014. Whiptail lizards in South America: A new Ameivula (Aquamata, Teiidae) from Planalto dos Gerais, Eastern Brazilian Cerrado. Amphibia-Reptilia 35 (2): 227-242 - get paper here
  • BASTO DA SILVA, MARCÉLIA & TERESA C.S. ÁVILA-PIRES 2013. The genus Cnemidophorus (Squamata: Teiidae) in State of Piauí, northeastern Brazil, with description of a new species. Zootaxa 3681: 455–477 - 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
  • Silva, Lidiane A. F. Da; Pedro S. Manoel, Virginia S. Uieda, Robson W. Ávila, and Reinaldo J. Da Silva 2019. Spatio-temporal Variation in Diet and its Association with Parasitic Helminths in Ameivula pyrrhogularis (Squamata: Teiidae) from Northeast Brazil. Herp. Conserv. Biology 14 (2): - get paper here
  • Silva, Marcélia Basto da; Wáldima Alves da Rocha, Janete Diane Nogueira-Paranhos 2016. Checklist of reptiles of the Amazonia-Caatinga-Cerrado ecotonal zone in eastern Maranhão, Brazil. Herpetology Notes 9: 7-14 - get paper here
  • Uchôa LR, Delfim FR, Mesquita DO, Colli GR, Garda AA, Guedes TB 2022. Lizards (Reptilia: Squamata) from the Caatinga, northeastern Brazil: Detailed and updated overview. Vertebrate Zoology 72: 599-659 - get paper here
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