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Amphisbaena littoralis ROBERTO, BRITO & ÁVILA, 2014

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Sauria, Squamata (lizards)
Common NamesPortuguese: Cobra-de-Duas-Cabeças, Cobra-Cega 
SynonymAmphisbaena littoralis ROBERTO, BRITO & ÁVILA 2014 
DistributionBrazil (Rio Grande do Norte)

Type locality: 8.5 km in straight line to the downtown of Guamaré municipality, state of Rio Grande do Norte (05°07’31.5’’S, 36°23’00.8’’W), Guamaré municipality, state of Rio Grande do Norte, Brazil  
TypesHolotype: URCA-H 3540, an adult female collected by Igor J. Roberto on May 27 of 2011, (Figure 1–3A). Paratypes. Four adult males (URCA-H 3541-3542, 3544, 3552), two adult females (URCA-H 3543, 3551) and six undetermined sex (URCA-H 3545-3550), all collected from June 9th to June 25th, by Lucas B. M. Brito between 05°08' 30.9'' S/ 36°25' 05.0''W, municipality of Guamaré and 05°10'31.3'' S, 36°28'57.8''W, municipality of Macau, state of Rio Grande do Norte, Brazil. 
DiagnosisDiagnosis: The new species is diagnosable by snout-vent length 248.8 ± 10.9 mm SVL in males and 257.3 ± 24 mm SVL in females, six precloacal pores, 252–264 body annuli, 20–22 dorsal and 21–24 ventral segments to the midbody annulus (Table 1). Nasals in broad contact at midline, without fusion of head scales. Three supralabials, third one larger; three infralabials, second the largest. Suture between frontals two times larger than the parietal and nasal sutures. Lateral sulci present, starting on 42th segment, no dorsal or ventral sulci. Tail long with length maximum 70mm and cylindrical, 30–34 tail annuli with autotomy on the 6th tail annuli, rounded tip of the tail. 
EtymologyThe specific epithet littoralis, a noun in apposition, means in Latin inhabitant of coastal area, referring to the presence of the species in coastal sand dunes. 
  • Calixto PO, Morato SAA 2017. Herpetofauna recorded by a fauna rescue program in a Caatinga area of João Câmara, Rio Grande do Norte, Brazil. Check List 13 (5): 647-657 - 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
  • Moura, M.R., Costa, H.C., Abegg, A.D., Alaminos, E., Angarita-Sierra, T., Azevedo, W.S., Cabral, H., Carvalho, P., Cechin, S., Citeli, N., Dourado, A.C.M., Duarte, A.F.V., França, F.G.R., Freire, E.M.X., Garcia, P.C.A., Mol, R., Montero, R., Moraes-d 2022. Unwrapping broken tails: Biological and environmental correlates of predation pressure in limbless reptiles. Journal of Animal Ecology. 92(2):324–337 - get paper here
  • ROBERTO, IGOR JOVENTINO; LUCAS B. M. BRITO, & ROBSON W. ÁVILA 2014. A new six-pored Amphisbaena (Squamata: Amphisbaenidae) from the coastal zone of northeast Brazil. Zootaxa 3753 (2): 167–176 - get paper here
  • Sales, Raul Fernandes Dantas; Carolina Maria Cardoso Aires Lisboa, Eliza Maria Xavier Freire 2019. New Morphological Data and Geographic Distribution of the Worm Lizard Amphisbaena littoralis (Squamata: Amphisbaenidae) in Northeastern Brazil. South American J. Herp. 14 (2): 81–87 - get paper here
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