Hapalops antistis Ameghino

H. antistis Amegh., 1897, Bol. Inst. Geog. Argen., t. 18, p. 505.

The species is based on a skull, not figured, of which Ameghino says: the size is small, the molars are compressed from front to back, and gives the following measurements:

Length of cranium from front of max. to occ. condyles  140 mm.
Length of four post, molars27 mm.
Distance from front of max. to back of last molar48 mm.