28 mars 444000000 av. J.-C. - Graptolite

Description:

-sea creatures
-ice age lowered sea level led to the extinction

Source:
https://userpages.umbc.edu/~squire/extinctions.html
http://skywalker.cochise.edu/wellerr/fossil/graptolite/6graptolite1945.JPG

Ajouté au bande de temps:

26 oct. 2018

0

1

355

Fossil/Species Timeline

Date:

Les images: