-
(4600MY) Earth formed from nebula
-
(544MY Palezoic) Cambrian System Begins
-
(505MY Palezoic) Ordovician System Begins
-
(438MY Paleozoic) Silurian System Begins
-
(408MY Paleozoic) Devonian System Begins
-
(385MY Paleozoic) First Insects.
-
(354MY ) the carboniferous period begins
-
(286MY) The Permian period begins
-
(144MY) The Cretaeous Period Begins
REPTILES -
(10KY) Holocene Period Begins,