Dorsal pattern of juveniles for comparison: A A. gigas MEPN 8706 and B A. paulus.

 
 
  Part of: 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. https://doi.org/10.3897/evolsyst.7.102578