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Atractus paulus MELO-SAMPAIO & VENEGAS, 2023

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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common Names 
SynonymAtractus paulus MELO-SAMPAIO & VENEGAS 2023 
DistributionPeru (Cajamarca Department)

Type locality: Peru, Cajamarca Department: San Ignacio Province, Namballe District, Alto Ihuamaca (05°11'41.16"S, 79°05'2.27"W, 1641 m).  
Reproduction 
TypesHolotype. CORBIDI 877 adult female, collected by Maik Dobiey on 26 August 2008.
Paratype. ZFMK 89147 juvenile from Peru, Cajamarca Department, San Ignacio Province, Namballe District, El Chaupe (05°14'8.88"S, 79°06'16.2"W, 2161 m), collected by Maik Dobiey on 25 August 2008. 
DiagnosisDiagnosis. Atractus paulus can be distinguished from all congeners by the following combination of characters: (1) smooth dorsal scale rows 17/17/17 with apical pits near cloaca; (2) postoculars two; (3) loreal moderately long, contacting second to fourth supralabials; (4) temporal formula usually 1+2; (5) supralabials eight, fourth and fifth contacting eye; (6) infralabials eight, first four contacting chinshields; (7) maxillary teeth eight; (8) gular scale rows usually four; (9) preventrals four; (10) ventrals 166–167 in females, condition in males unknown; (11) subcaudals 26 in females, condition in males unknown; (12) in preservative, dorsum yellow ochre; (13) ventral surface of body mostly black with scattered inconspicuous cream marks in juveniles, uniform brown in adults; (14) maximum body size 830 mm SVL in females; (15) tail size moderately short in females (9.1–13.6% SVL); (16) midbody diameter 18.0–27.3 mm (Figs 1–3). (Melo-Sampaio & Venegas 2023) 
Comment 
EtymologyThe species epithet “paulus” is a Latin word being patronym for our friend Paulo Gustavo Homem Passos. Dr. Paulo Passos has described more than 34 Atractus species, approximately one-fifth of the astonishing diversity of this complex genus. The Latin word “Paulus” also means “small” and thus, we also refer to the type series composed only by the holotype and paratype. 
References
  • Melo-Sampaio PR, Venegas PJ 2023. A new species of groundsnake genus Atractus Wagler, 1828 (Serpentes, Dipsadidae) from the Peruvian Andes revealed by unequivocal morphological characters. Evolutionary Systematics 7(2): 257-266 - get paper here
 
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