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Glaucomastix itabaianensis ROSÁRIO, SANTOS, ARIAS, ROCHA, DIAS, CARVALHO & RODRIGUES, 2019

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Higher TaxaTeiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Common NamesPortuguese: Calango, Calango-de-Itabaiana 
SynonymGlaucomastix itabaianensis ROSÁRIO, SANTOS, ARIAS, ROCHA, DIAS, CARVALHO & RODRIGUES 2019 
DistributionBrazil (Sergipe, Bahia)

Type locality: under shrubs in sand dune habi- tat (10:00–11:00), in PARNASI, Areia Branca municipality, State of Sergipe, Brazil (longitude: -37.3408, latitude: -10.7495; Datum: WGS-84; 201 m above sea level  
TypesHolotype: MZUSP 104255 (field number ITB 1; Figure 5), adult female, collected on 19 March, 2012 by I. Rosário, R. Vieira, and R. Almeida (Table S1, Supporting information). Paratypes: four males (MZUSP 104250–54; field number, respectively CAZ 1–5), collected 12 February 2012, in Costa Azul locality, Jandaíra municipality, State of Bahia (longitude: -37.4818, latitude: -11.6621; Datum: WGS- 84), by I. Rosário, R. Vieira, V. Santa-Rosa, and L. Gomes; three specimens with undetermined sex (MZUSP 104260–62; field number, respectively ITA 1–2 and ITA 5), collected 29 November 2011, in Reserva do Caju, Itaporanga D’Ajuda municipality, State of Sergipe (longitude: -37.1833, latitude: -11.1167; Datum: WGS-84), by I. Rosário, M. Santos, R. Vieira, R. Siqueira, R. Almeida, and V. Santa-Rosa; two specimens with undetermined sex (MZUSP 104263–64; field number, respectively PIR 1–2), and one male (MZUSP 104265; field number PIR 4) collected 28 November 2011, in Pirambu municipality, State of Sergipe (longitude: -36.8456, latitude: -10.6954; Datum: WGS-84), by I. Rosário, E. Dias, and R. Siqueira. Specimens previously deposited in Institutional collections include: MNRJ 22993–95, and MZUSP 49383–87, 65688–89, 88101, 92254, 92256–58. 
DiagnosisDiagnosis: Glaucomastix itabaianensis sp. nov. is a moderate-sized (50.0 ± 13.1 mm; Table 4) bisexual species characterized by the combination of the following morphological characters: 13–16 scales in the lateral flank, 22–33 scales around tail, 28–35 femoral pores, usually four supraocular scales with the smaller one disposed posteriorly and a yellowish green tail. This new species includes all populations that cluster with those from the northern por- tion of the restinga habitats from Costa Azul locality, Jandaíra municipality, State of Bahia, to Pirambu municipality, State of Sergipe, with strong support in the Bayesian species delimitation models.
Glaucomastix itabaianensis sp. nov. differs from G. abaetensis by having a higher number (28–35; mean = 31.3 ± 2.2 SD) of femoral pores (22–30; mean = 25.5 ± 2.5 SD in G. abaetensis), usually four (mean = 3.5 ± 0.6 SD) supraocular scales (usually 3, mean = 3.1 ± 0.4 SD in G. abaetensis) with smaller one (fourth) disposed poste- riorly to the three other supraocular scales (Fig. 6), and 11–14 (12.7 ± 0.9 SD) scales in the lateral flank, while in G. abaetensis there are 17–20 (19.2 ± 1.0 SD; holotype, MNRJ 8616 = 17). Glaucomastix itabaianensis sp. nov. has a yellowish green tail (bluish green in G. abaetensis; see “color in life”). Because the new species differs from most congeners by the same characters that have distinguished Glaucomastix abaetensis, we do not provide exhaustive comparisons with all those species (Table 5 in Rosário et al. 2019). 
EtymologyThe specific epithet, a noun in apposition, refers to the Serra de Itabaiana, themountain range that gave name to the Parque Nacional da Serra do Itabaiana, the type locality of the species. This is the only fully protected area along the entire range of the species, and, consequently, we expect to create additional appeal to stimulate the establishment of new protected areas in the region which in turn will contribute the new species protection. 
  • 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
  • ROSÁRIO, IGOR RIOS DO; RODRIGO MARQUES LIMA DOS SANTOS, FEDERICO ARIAS, CARLOS FREDERICO DUARTE ROCHA, EDUARDO JOSÉ DOS REIS DIAS, CELSO MORATO DE CARVALHO, MIGUEL TREFAUT RODRIGUES 2019. Phylogeography of the endangered sand dune whiptail lizard Glaucomastix abaetensis (Dias, Rocha & Vrcibradic, 2002) with the description of a new species. Zootaxa 4624 (4): 451–477 - get paper here
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