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Tropidurus imbituba KUNZ & BORGES-MARTINS, 2013

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Higher TaxaTropiduridae, Iguania, Sauria, Squamata (lizards)
Subspecies 
Common NamesPortuguese: Calango 
SynonymTropidurus imbituba KUNZ & BORGES-MARTINS 2013 
DistributionBrazil (Santa Catarina)

Type locality: rocky seashore of Praia da Vila (Morro do Farol; 28°14’20’’S / 48°39’10’’W), municipality of Imbituba, Santa Catarina, Brazil.  
Reproductionoviparous (not imputed, fide Zimin et al. 2022) 
TypesHolotype: UFRGS 5932, adult male; collected on the 10th of January 2011 by T. S. Kunz and R. F. Bressan. Paratypes: 10 males (MCP 18947-49; UFRGS 5044, 5092, 5203, 5225, 5302, 5354, 5358) and 14 females (MCP 18944-46; UFRGS 5043, 5045, 5093, 5164-65, 5205-07, 5357, 5545-46), all collected in the type locality by T. S. Kunz between December 2008 and January 2011. 
DiagnosisDiagnosis: Tropidurus imbituba sp. nov. is distinguished from all other species of the torquatus group, except from T. catalanensis and T. torquatus, by having folds and pockets of the type “A” (sensu Rodrigues 1987). From T. catalanensis it differs in lower dorsal scales counts; from T. catalanensis and T. torquatus, by the distinctive bronze or orange coloration of the venter and sides of the trunk and neck in adult males (yellow in the chest and throat in T. catalanensis and white or cream in T. torquatus).
In relation to T. torquatus, the new species presents broad overlap in meristic characters with specimens from the Cerrados, differing in coloration (venter orange-bronze in T. imbituba sp. nov.; white or cream in T. torquatus). From specimens of the mountain ranges of Rio de Janeiro, it is well distinguished by meristic characters (dorsals, gulars, SAB); and from the coastal ones, it differs in attaining larger body size (SVL of the larger male of the new species is 125.8 mm, while the larger male of the coastal populations of eastern Brazil attained 107 mm.). 
CommentAbundance: only known from its original description (Meiri et al. 2017). 
Etymologynamed after the type locality. The specific epithet is derived from the Tupí-guarani language, meaning “imbé in abundance” (imbé = a name used for some species of lianas and other plants, and tuba = abundance) 
References
  • 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
  • KUNZ, TOBIAS SARAIVA & MÁRCIO BORGES-MARTINS 2013. A new microendemic species of Tropidurus (Squamata: Tropiduridae) from southern Brazil and revalidation of Tropidurus catalanensis Gudynas & Skuk, 1983. Zootaxa 3681: 413–439 - get paper here
  • Meiri, Shai; Aaron M. Bauer, Allen Allison, Fernando Castro-Herrera, Laurent Chirio, Guarino Colli, Indraneil Das, Tiffany M. Doan, Frank Glaw, Lee L. Grismer, Marinus Hoogmoed, Fred Kraus, Matthew LeBreton, Danny Meirte, Zoltán T. Nagy, Cristiano d 2017. Extinct, obscure or imaginary: the lizard species with the smallest ranges. Diversity and Distributions - get paper here
  • Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here
 
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