Table 1: Noting the relationship of discovery of fossils to their age.
| Relationship of Hominin Discoveries to Time | ||||
| Specimen | Discoverer | Date | Sequence | Location |
| Neandertal | Fuhlrott | 1856 | 9 | Europe |
| Homo erectus | Dubois | 1891 | 8 | Java |
| A. Africanus | Dart | 1924 | 5 | So. Africa |
| P. Boisei | Leakey | 1956 | 6 | East Africa |
| Early Homo | Leakey | 1964 | 7 | East Africa |
| A. Afarensis | Johanson | 1978 | 4 | East Africa |
| A. Kadabba | White | 1995 | 3 | East Africa |
| Orrorin tugenensis | Senut | 2000 | 2 | Cen. E. Africa |
| Sahelanthropus | Brunet | 2002 | 1 | Cen. E. Africa |