Table 1.
Number of primate and anthropoid species that are extant or known from the fossil record used in the example of Wilkinson and Tavaré (2009). Geological time is divided into 14 intervals (k).
| Epoch | k | Time at base of interval k(Ma) | Primate species counts, D | Anthropoid species counts,A |
|---|---|---|---|---|
| Extant | 0 | 376 | 281 | |
| Late Pleistocene | 1 | 0.15 | 22 | 22 |
| Middle Pleistocene | 2 | 0.9 | 28 | 28 |
| Early Pleistocene | 3 | 1.8 | 30 | 30 |
| Late Pliocene | 4 | 3.6 | 43 | 40 |
| Early Pliocene | 5 | 5.3 | 12 | 11 |
| Late Pliocene | 6 | 11.2 | 38 | 34 |
| Middle Miocene | 7 | 16.4 | 46 | 43 |
| Early Miocene | 8 | 23.8 | 34 | 28 |
| Late Oligocene | 9 | 28.5 | 3 | 2 |
| Early Oligocene | 10 | 33.7 | 22 | 6 |
| Middle Eocene | 12 | 49.0 | 119 | 0 |
| Early Eocene | 13 | 54.8 | 65 | 0 |
| Paleocene and earlier | 14 | 0 | 0 |