Table 1 Sites of exceptional fossil preservation across the cenozoic divided into environment of deposition.

From: The exceptional preservation of Aix-en-Provence spider fossils could have been facilitated by diatoms

 

# Fossil Lagerstätten (# diatomaceous)

# of non-marine F-L (# diatomaceous)

# of transitional F-L (# diatomaceous)

# of marine F-L (# diatomaceous)

Pliocene

8 (5)

8 (5)

0 (–)

0 (–)

Miocene

34 (28)

27 (23)

2 (1)

5 (4)

Oligocene

26 (16)

24 (14)

0 (–)

2 (2)

Eocene

33 (25)

27 (21)

3 (2)

3 (2)

Paleocene

7 (2)

7 (2)

0 (–)

0 (–)