The ventral face is convex lacking ventrolateral or sagittal crests
. There are rudimentary articulations for the chevron.
The greatest length of the skull was 13 mm; there was no sagittal crest
. There were 2 upper incisors in each quadrant, with 2 small premolars posterior to the upper canine.
Their size, facial characteristics and sagittal crest
(a ridge of bone along the midline of the top of the skull) suggest that they are a type of gorilla.
Description--Skull long (GLS: 27.7 mm); rostrum narrow, relatively short (LNR 11.6 mm); braincase narrow (BBC: 11.6 mm), poorly elevated; mastoid processes very developed (MAB: 13.9 mm); sagittal crest
poorly developed; postorbital region poorly constricted (INC: 6 mm); zygomatic arch narrow (ZYG: 15 mm); incisors 2/2, internal upper incisors larger than the external, different in shape; premolars 2/2, P3 separated from P4 by a short diastema; molars 3/3, ectolophs W-shaped.
3), and any asymmetry or directional deviation of these scars or of the sagittal crest
, were recorded.