Homo heidelbergensis crania average 1,187 cubic centimeters, 2.8 times the 428 of Australopithecus afarensis
Source. Du et al., 2018, Table S1.
Method and data
Method. Each ring is one cranium; the bar marks each taxon’s mean of its crania in Table S1.
| Taxon | Crania | Mean (cc) | Smallest (cc) | Largest (cc) |
|---|---|---|---|---|
| Australopithecus sediba | 1 | 420 | 420 | 420 |
| Australopithecus afarensis | 6 | 428 | 371 | 550 |
| Paranthropus aethiopicus | 3 | 443 | 410 | 491 |
| Australopithecus garhi | 1 | 450 | 450 | 450 |
| Australopithecus africanus | 9 | 476 | 413 | 558 |
| Paranthropus boisei | 8 | 492 | 430 | 545 |
| Paranthropus robustus | 6 | 606 | 465 | 800 |
| Homo habilis | 8 | 647 | 496 | 788 |
| Homo erectus | 46 | 921 | 546 | 1,300 |
| Homo heidelbergensis | 6 | 1,187 | 1,057 | 1,390 |
