Table 1.
Human and chimpanzee sample. DS1: dental stage 1. DS2: dental stage 2. BPD: biparietal diameter. The fetuses are listed with their reference number
| Specimens | DS1 | DS2 | BPD (mm) | Gestational age (weeks) |
|---|---|---|---|---|
| Postnatal specimens | ||||
| Modern humans | 32 | 26 | ||
| Chimpanzees | 4 | 5 | ||
| Fetuses | ||||
| Modern humans (Mh) | ||||
| Mh01 | 84.5 | 33 | ||
| Mh02 | 78.0 | 30 | ||
| Mh03 | 77.4 | 29 | ||
| Mh04 | 74.3 | 28 | ||
| Mh05 | 75.0 | 28 | ||
| Mh06 | 68.5 | 27 | ||
| Mh07 | 43.6 | 19 | ||
| Mh08 | 26.4 | 13 | ||
| Chimpanzees (Ch) | ||||
| Ch01 | 78.9 | neonate | ||
| Ch02 | 72.0 | neonate | ||
| Ch03 | 69.2 | 31 | ||
| Ch04 | 68.1 | 29 | ||
| Ch05 | 64.8 | 27 | ||
| Ch06 | 61.0 | 25 | ||
| Ch07 | 44.9 | 18 | ||