Table 4.

Cranial base breadth in hominoids.

taxon/specimenbi-entoglenoid br (mm)bi-entogl. br/biorbital br * 100
Australopithecus afarensis
 A.L. 444-28084
 A.L. 333-45 (recon.)7889
 A.L. 822-15762
Australopithecus africanus
 Sts. 56576
 MLD 37/3862
Australopithecus boisei
 OH 58984
 KNM-ER 4068589
 KNM-ER 13 7508680
 KNM-ER 23 00080
 KNM-ER 40765
Australopithecus aethiopicus
 KNM-WT 17 0008085
Homo sapiens (n = 10)7477
Pan troglodytes male (n = 10)6167
Pan troglodytes female (n = 10)5965
Gorilla gorilla male (n = 10)7263
Gorilla gorilla female (n = 10)6464