INSECTIVORE - CREODONTS 



Figure 27. Possible Jamily tree of mammals related to Cetaceans. Right: Geological peril 



Pleistocene 



Pliocene 7 



Miocene 19 



Oligocene 30 



Eocene 45 



Palaeocene 65 



Cretaceous 125 



"Ï millions of years. Dotted lines indicate the absence of fossils from the period in questit 



