Events
First land plantsFirst InsectsFirst sharksMass Extinction Event
(85% of species)First vascular plantsFirst ForestsFirst fish emerge on landFirst amphibiansFirst seed plantsMass Extinction Event
(75% of species)Reptiles evolve and lay the first shelled eggsGiant insects due to high levels of oxygenGiant reptiles such as therapsidsSupercontinent Pangaea formsFirst turtlesSiberian Traps eruptionsMass Extinction Event
(95% of species)Periods
Multicellular life in oceans explodes
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