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Tropidurus helenae (MANZANI & ABE, 1990)

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Higher TaxaTropiduridae, Iguania, Sauria, Squamata (lizards)
Common NamesPortuguese: Calango, Labigó, Lagarto 
SynonymTapinurus helenae MANZANI & ABE 1990
Tropidurus helenae — FROST 1992
Tropidurus helenae — PIANKA & VITT 2003: 165 
DistributionNE Brazil (Piauí)

Type locality: "near Toca de Cima dos Pilão, approximate elevation of 450 m, municipality of São Raimundo Nonato, State of Piauí (09° 00' 23" S, 42° 36' 30" W)"  
TypesHolotype: ZUEC 0700, adult male, Museu de Historia Natural of the Universidade Estadual de Campinas (ZUEC). 
CommentHabitat: rocks

Diet: a large percentage of the diet of this species (10-30%) consists of ants (Lucas et al. 2023). 
Etymology“he specific name helenae is an expressionof our deep friendship and honors the memory of Helena Ribas Lopes, a distinguished adviser and teacher.” 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • CARVALHO, ANDRÉ LUIZ GOMES DE 2013. On the distribution and conservation of the South American lizard genus Tropidurus Wied-Neuwied, 1825 (Squamata: Tropiduridae). Zootaxa 3640 (1): 042–056 - get paper here
  • Cavalcanti, L.B.Q.; T.B. Costa; G.R. Colli; G.C. Costa; F.G.R. França; D.O. Mesquita; C.K.S. Palmeira; N. Pelegrin; A.H.B. Soares; D.B. Tucker; A.A. Garda 2014. Herpetofauna of protected areas in the Caatinga II: Serra da Capivara National Park, Piauí, Brazil. Check List 10 (1): 18-27 - get paper here
  • Frost, Darrel R. 1992. Phylogenetic analysis and taxonomy of the Tropidurus group of lizards (Iguania: Tropidurudae). American Museum Novitates (3033): 1-68 - get paper here
  • Frost, Darrel R., Miguel T. Rodrigues, Taran Grant, and Tom A. Titus 2001. Phylogenetics of the Lizard Genus Tropidurus (Squamata: Tropiduridae: Tropidurinae): Direct Optimization, Descriptive Efficiency, and Sensitivity Analysis of Congruence Between Molecular Data and Morphology. Molecular Phylogenetics and Evolution 21 (3): 352–371 - 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
  • Lucas B Q Cavalcanti, Gabriel C Costa, Guarino R Colli, Eric R Pianka, Laurie J Vitt, Daniel O Mesquita, 2023. Myrmecophagy in lizards: evolutionary and ecological implications. Zoological Journal of the Linnean Society, 2023;, zlad175, - get paper here
  • Madella-Auricchio, Cláudia Renata; Paulo Auricchio Enio Saraiva Soares 2017. Reptile species composition in the Middle Gurguéia and comparison with inventories in the eastern Parnaíba River Basin, State of Piauí, Brazil. Papéis Avulsos de Zoologia 57(28): 375-386, - get paper here
  • Manzani P R.; ABE A S. 1990. A NEW SPECIES OF TAPINURUS FROM THE CAATINGA OF PIAUI NORTHEASTERN BRAZIL SQUAMATA TROPIDURIDAE [Tapinurus helenae]. Herpetologica 46 (4): 462-467. - get paper here
  • PASSOS, DANIEL CUNHA; DANIEL CASSIANO LIMA, & DIVA MARIA BORGES-NOJOSA 2011. A new species of Tropidurus (Squamata, Tropiduridae) of the semitaeniatus group from a semiarid area in Northeastern Brazil. Zootaxa 2930: 60–68 - get paper here
  • Pelegrin, N., Mesquita, D. O., Albinati, P., Caldas, F. L. S., de Queiroga Cavalcanti, L. B., Costa, T. B., Falico, D. A., Galdino, J. Y. A., Tucker, D. B. and Garda, A. A. 2017. Extreme specialization to rocky habitats in Tropidurus lizards from Brazil: Trade-offs between a fitted ecomorph and autoecology in a harsh environment. Austral Ecology. doi:10.1111/aec.12486 - get paper here
  • Pianka, E.R. & Vitt, L.J. 2003. Lizards - Windows to the Evolution of Diversity. University of California Press, Berkeley, 347 pp. [review in Copeia 2004: 955] - get paper here
  • Rodrigues, M.T. 2003. Herpetofauna da Caatinga. In: I.R. Leal, M. Tabarelli & J.M.C. Silva (eds.). Ecologia e conservação da Caatinga, pp. 181-236. Editora Universitária, Universidade Federal de Pernambuco, Recife, Brasil.
  • 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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