-
Large Coral Reefs Formed
They developed in shallow seas, making a wall causing the water closer to the land to evaporate leaving rock salt behind. -
Gondwana moves south
This was the major cause of the mass extinctions during this period. This resulted in global cooling. -
Period: to
Silurian
-
First Jawed Fish Evolved
They also develope armored plates that serve as protection -
First Vascular Plants Evolve
The plants were very small and reproduced through spores -
Llandovery epoch started
-
Ireviken event
It was the first and biggest of the three mass extinctions. It lasted for 200,000 years and wiped out 50% of Trilobites. -
Wenlock epoch started
-
Mulde Event
It was the second of three mass extinctions. This one conicided with global drop sea level and a excursion of geochemical isotopes. -
Ludlow epoch started
-
Lau Event
It was one of three relativly minor mass extinctions during this period, affecting mostly conodonts (fish-like creatures) -
Pridoli epoch started
-
First True Biota Develop
These Myriapoda start to walk on land in the form of millipedes and centipedes
