-
The cambrian period had an abundent amount of marine organisms and the Earth was covered in oceans. All life was marine life
-
A super continent was formed named Gondwana.Glaciation was also coming up creating mass extinctions.60% of marine invertabret genera and 25% of all families went extinct.
-
First fresh water fish and fish with jaws. Avalonia (a micro continent) was beggining to drift.
-
Also known as the "Age of Fishes" though other significant changes were also on the move. Gondwana covered most of the southern hemisphere.Sharks and Rays had come in the later part of the devonian period.
-
Coal had come. Trees dominated.
-
Pangea had formed. True bony fish had come to the waters. Insects evolved in the permian. Greatest mass extiction in all of earths history had happend during tjhe end of this time, starting the Triassic period
-
Climate was naturally dry. Saperation of pangea was begining. Reptiles were coming from the water. Earliest mamals had begun by now.
-
Age of dinosours. Marine and land life thrived
-
The end of the dinosaurs was at the end of thias period. The K-P extinction was to happen in late. Bees and wasps had lived during this period.
-
The tertuary climate slowly cooled. Mollusks had lived. Antartica which was separate drifted to position.
-
Huge mammals ruled at this point in time. First human xspecies had walked earth at this time. Little ice age comes and goes.
