Geologic era between the Paleozoic & the Cenozoic
... Cretaceous Period, Mesozoic Era, Phanerozoic Eon [145 Myr - 66 Myr 
] ... the beginning of the breakup of Pangaea and a rift developed between what 
is... [DOC] [TLE] Era [PAR] The several geologic eras were originally named Primary, Secondary, Tertiary, 
and ... An era of geologic time between the Paleozoic and the Cenozoic.