Table 1 The number of trace and body fossils by their preservational type and age
| Â | Trace fossils | Body fossils | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Time intervals | CI | AM | SI | SA | PE | CI | AM | SI | SR | GC | AS | PE |
Early Jurassic | 1 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 |
Middle Jurassic | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 |
Late Jurassic | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 |
Early Cretaceous | 47 | 0 | 0 | 0 | 0 | 15 | 26 | 0 | 0 | 0 | 0 | 0 |
Late Cretaceous | 29 | 0 | 0 | 0 | 0 | 1 | 31 | 1 | 1 | 0 | 0 | 0 |
Early Paleocene | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Middle Paleocene | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Late Paleocene | 3 | 0 | 0 | 0 | 0 | 1892 | 0 | 0 | 0 | 0 | 0 | 0 |
Early Eocene | 4 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 |
Middle Eocene | 28 | 111 | 0 | 0 | 0 | 18 | 1532 | 37 | 0 | 4 | 0 | 0 |
Late Eocene | 6 | 0 | 0 | 0 | 0 | 67 | 5 | 0 | 0 | 0 | 0 | 0 |
Early Oligocene | 0 | 0 | 0 | 0 | 0 | 27 | 1 | 1 | 0 | 0 | 0 | 0 |
Late Oligocene | 2 | 0 | 4 | 0 | 0 | 12 | 0 | 2 | 0 | 0 | 0 | 0 |
Early Miocene | 9 | 2 | 0 | 0 | 0 | 61 | 44 | 2 | 0 | 0 | 0 | 0 |
Middle Miocene | 15 | 0 | 0 | 1 | 0 | 14 | 1 | 0 | 0 | 0 | 0 | 0 |
Late Miocene | 7 | 0 | 20 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 |
Early Pliocene | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Late Pliocene | 24 | 0 | 0 | 0 | 0 | 52 | 0 | 1 | 0 | 0 | 1 | 0 |
Pleistocene | 0 | 0 | 8 | 0 | 1 | 2 | 18 | 0 | 296 | 0 | 1 | 1 |
Holocene | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 2 | 4 | 0 | 0 | 0 |