Table 1. Sample of H. sapiens fossils and comparative samples.

Geologic ages used for regression analyses [in thousand years (ky)] were based on estimates in published literatures (references available upon request). Endocranial volume estimates of this study with SD of multiple estimates.

H. sapiens fossils
Geologic age group 1
Jebel Irhoud 1	315 ky	1.375 ± 6 ml
Jebel Irhoud 2	315 ky	1.467 ± 6 ml
Omo 2	195 ky	1.491 ± 4 ml
Geologic age group 2
L.H. 18	120 ky	1.237 ± 5 ml
Skhul V	115 ky	1.363 ± 1 ml
Qafzeh 6	115 ky	1.524 ± 8 ml
Qafzeh 9	115 ky	1.497 ± 5 ml
Geologic age group 3
Hofmeyr	36 ky	1.498 ± 13 ml
Mladeč 1	35 ky	1.606 ml
Cro-Magnon 1	31 ky	1.574 ± 1 ml
Cro-Magnon 3	31 ky	1.813 ± 32 ml
Dolní Věstonice 16	30 ky	1.542 ± 4 ml
Dolní Věstonice 13	29 ky	1.590 ± 2 ml
Dolní Věstonice 14	29 ky	1.663 ± 5 ml
Dolní Věstonice 15	29 ky	1.385 ± 3 ml
Abri Pataud	27 ky	1.323 ml
Ohalo II H2	22 ky	1.475 ± 1 ml
Oberkassel D999	14 ky	1.330 ± 2 ml
Oberkassel D998	13 ky	1.492 ml
Combe Capelle	8 ky	1.457 ± 2 ml
Present-day humans
89 cranially diverse present-day humans		Mean ± SD: 1328 ± 164 ml Range: 1082–1832 ml
Neandertals
Gibraltar 1	75 ky	1213 ± 4 ml
La Ferrassie 1	70 ky	1643 ± 5 ml
Guattari	55 ky	1421 ± 3 ml
Amud 1	53 ky	1747 ± 16 ml
La Chapelle-aux-Saints	52 ky	1490 ± 3 ml
Feldhofer 1	40 ky	1261 ± 28 ml
Spy I	40 ky	1287 ± 9 ml
Spy II	40 ky	1531 ± 7 ml
H. heidelbergensis sensu lato
Kabwe	600–250 ky?	1249 ml
Petralona	400–150 ky?	1162 ± 2 ml
H. erectus sensu lato
KNM-ER 3733	1780 ky	878 ± 2 ml
KNM-ER 3833	1570 ky	838 ± 1 ml
KNM-WT 15000	1535 ky	850 ± 4 ml
OH 9	1470 ky	1013 ± 4 ml
Sangiran 2	1500 ky	793 ± 4 ml
Sambungmacan 3	200 ky	902 ± 4 ml
Ngandong 14	200 ky	1127 ± 2 ml
Ngawi	200 ky	952 ± 1 ml