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Atractus punctiventris AMARAL, 1933

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Pointed Ground Snake 
SynonymAtractus punctiventris AMARAL 1933: 117
Atractus punctiventris — PASSOS et al. 2007
Atractus punctiventris — WALLACH et al. 2014: 79 
DistributionColombia (Meta)

Type locality: Villavicencia, Intendencia de Meta, Colombia [= Vilavicencio, Departamento del Meta], (04°09’N, 73°38’W, ca. 500 m elevation  
TypesHolotype: MLS 254, formerly MLS 102 
DiagnosisDiagnosis: Atractus punctiventris can be distinguished from all congeners by the following combination of characters: (1) smooth dorsal scale rows generally 15/15/15; (2) postoculars two; (3) loreal moderately long; (4) temporal formula 1þ2; (5) supralabials usually seven, third and fourth contacting eye; (6) infralabials usually seven, first three contacting chinshields; (7) maxillary teeth five to six; (8) gular scale rows three; (9) preventrals one or two; (10) ventrals 170–183 in females, 155–167 in males; (11) subcaudals 27– 34 in females, 32–36 in males; (12) in preservative, dorsum pale brown to brown with a series of brown to black irregular light bordered blotches; (13) in preservative, venter creamish white with brown dots or spots generally arranged in the center of ventral scales usually forming a conspicuous midline along belly; (14) maximum body size moderate in females (415 mm SVL) and males (345 mm SVL); (15) moderately long tail in females (12.5–14.0% SVL) and in males (14.4–15.6% SVL); (16) hemipenis slightly bilobed, semicapitate, and semicalyculate (Passos et al. 2016: 4). 
CommentTh species is known from less than 10 specimens (Passos et al. 2016).

Distribution: Known from the municipalities of Villavicencio (04°09’N, 73°38’W), Meta; San Luís de Gaceno (04°49’N, 73°10’W) Boyaca ́; and Nunchía (05°38’N, 72°12’W), Casanare. 
  • Amaral, A. D. 1932. Contribuicao ao conhecimento dos ofidios do Brasil V. Uma nova raca de Bothrops neuwiedii. Mem. Inst. Butantan 7: 97-101 - get paper here
  • Amaral, A. do. 1932. Estudos sobre ophidios neotropicos XXIX. Novas notas sobre especies da Colombia. Mem. Inst. Butantan 7: 105-123 - get paper here
  • Passos, P., R. Fernandes and Borges-Nojosa, D.M. 2007. A New Species of Atractus (Serpentes: Dipsadinae) from a Relictual Forest in Northeastern Brazil. Copeia 2007 (4): 788–797 - get paper here
  • Passos, Paulo; Ana L.C. Prudente and John D. Lynch 2016. Redescription of Atractus punctiventris and Description of Two New Atractus (Serpentes: Dipsadidae) from Brazilian Amazonia. Herp. Monographs 30 (1): 1-20 - get paper here
  • Pérez-Santos,C. & Moreno, A.G. 1988. Ofidios de Colombia. Museo reegionale di Scienze Naturali, Torino, Monographie VI, 517 pp.
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
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