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Leposternon cerradensis (RIBEIRO, VAZ-SILVA & SANTOS JR, 2008)

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Higher TaxaAmphisbaenidae, Amphisbaenia, Lacertoidea, Squamata
Subspecies 
Common Names 
SynonymLeposternon cerradensis RIBEIRO, VAZ-SILVA & SANTOS JR 2008
Amphisbaena cerradensis — MOTT & VIEITES 2009
Leposternon cerradensis — RIBEIRO et al. 2018 
DistributionBrazil (SW Goiás)

Type locality: Espora Hydroelectric Power Plant reservoir
(18º39’48.4”S; 51º52’17.9”W), municipality of Aporé, SW Goiás state, Brazil.  
Reproductionoviparous 
TypesHolotype: MZUSP 96347 
DiagnosisDiagnosis. Leposternon cerradensis is a medium-sized amphisbaenian (largest specimen snout-vent length 385 mm) diagnosed by the following combination of characters (measurements in mm): one or two pairs of precloacal pores, 299–341 dorsal postpectoral half-annuli, 302–349 ventral postpectoral half-annuli, 13–15 tail annuli, 118–121 precloacal vertebrae, 32–37 dorsal segments in midbody half-annulus, 30–36 ventral segments in midbody half-annulus, two supralabials, two infralabials, four series of large plates in dorsal head shields posterior to rostronasal, pectoral shields mostly diamond-shaped, head length 2.6–3.2% snoutvent length, rostronasal length 20.4–23.1% head length, azygous width 30.8–41.9% head width, azygous length 40.1–51.4% head length, frontal length with 23.7–38.2% head length, and prefrontal length 37.2– 44.4% head length. 
Comment 
EtymologyThe specific epithet “cerradensis” refers to the central Brazilian savannas ecoregion (in Central Brazil), where the new species was collected. 
References
  • Mott, Tamí; David R. Vieites 2009. Molecular phylogenetics reveals extreme morphological homoplasy in Brazilian worm lizards challenging current taxonomy. Molecular Phylogenetics and Evolution 51 (2): 190-200 - get paper here
  • Ribeiro, S.; Vaz-Silva, W. & Santos Jr, A.P. 2008. New pored Leposternon (Squamata, Amphisbaenia) from Brazilian Cerrado. Zootaxa 1930: 18–38 - get paper here
  • Ribeiro, Síria; Adriano Lima Silveira and Alfredo P. Santos-jr 2018. A New Species of Leposternon (Squamata: Amphisbaenidae) from Brazilian Cerrado with a Key to Pored Species. Journal of Herpetology 52 (1): 50-58 - get paper here
  • RIBEIRO, SIRIA; ALFREDO P. SANTOS-JR, HUSSAM ZAHER 2015. A new species of Leposternon Wagler, 1824 (Squamata, Amphisbaenia) from northeastern Argentina. Zootaxa 4034 (2): 309–324 - get paper here
 
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