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Atractus alytogrammus KÖHLER & KIECKBUSCH, 2014

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymAtractus alytogrammus KÖHLER & KIECKBUSCH 2014 
DistributionColombia (Guaviare)

Type locality: Serrania de la Lindosa (2.46782°, -72.73155°), south of the municipality of San José del Guaviare, department of Guaviare, Colombia.  
Reproduction 
TypesHolotype: SMF 88371, male, collected on January 9, 1957 by Federico Medem. 
DiagnosisDiagnosis: A species of the genus Atractus that differs from all congeners by the following combination of characters: (1) 17 smooth dorsal scale rows; (2) preocular absent; (3) loreal present, approximately as long as high; (4) temporals 1+2; (5) seven supralabials; (6) seven infralabials; (7) five maxillary teeth; (8) four gular scale rows; (9) four pre-ventrals; (10) 187 ventrals in single male; (11) 29/31 subcaudals in single male; (12) dorsum of body with longitudinal stripes; (13) venter uniformly dark gray; (14) SVL of single male 297 mm; (15) small to moderate tail length in single male (11.8 % of SVL); (16) hemipenis morphology unknown.


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CommentKnown from only 2 specimens (Angarita-Sierra 2019) 
EtymologyThe name alytogrammus is a compound noun derived from alytos (Greek for “unbroken”) and gramme (Greek for “line”) referring to the continuous dorsolateral pale stripe in this species. 
References
  • ANGARITA-SIERRA, TEDDY 2019. On the second specimen of Atractus alytogrammus (Serpentes: Dipsadidae), with description of its unusual hemipenial morphology. Zootaxa 4551 (3): 396–400 - get paper here
  • Bernal, R. 2025. Serpientes de Colombia-Guía de Campo. Serie de Guías Tropicales de Campo. 19: 396 pp. Conservación Internacional Colombia, Bogotá - get paper here
  • KÖHLER, GUNTHER & MAX KIECKBUSCH 2014. Two new species of Atractus from Colombia (Reptilia, Squamata, Dipsadidae). Zootaxa 3872 (3): 291–300 - get paper here
 
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