Atractus duboisi (Dubois' Groundsnakes)
Atractus duboisi (Boulenger, 1880)
This species differs from other Atractus species by the following combination of characters: (1) dorsal scale rows 15-15-15; (2) apical pits, supra-anal tubercles and keels absent; (3) postoculars 2; (4) loreal long; (5) temporals 1+2; (6) usually supralabials 8, with the fourth and fifth in…