Chthonerpeton onorei (El Reventador caecilian)
Chthonerpeton onorei Nussbaum, 1986
This species differs from the others in the genus by having a high number of primary grooves (164) and further differs from Chthonerpeton viviparum in the position of the tentacular aperture, which is almost equidistant between the eye and the nostril or slightly closer to the nostril, whereas in…