-
Cambrian
Trilobites -
Period: to
Paleozoic
The first stage of the new and upcoming Earth
Old Life -
Ordovician
Starfish, Sand dollar , sea urchin and sea cucumbers -
Silurian
Earliest terrestrial plants and animals -
Devonian
Armored fish goes extinct -
Carboniferous
Abundant sharks and amphibians -
Permian
Extinction of many types of marine animals including Trilobites -
Period: to
Mesozoic
Middle Life -
Triassic
Earliest Dinosaurs, adundant cycads and conifers -
Jurrassic
Earliest birds and mammals adundant dinosaurs and ammonites -
Cretaceous
Earliest flowering plants, climax of dinosaurs followed by their extinction -
Period: to
Cenozoic
-
Tertiary
Earliest Placental Mammals, modern mammals , large running mammals -
Quaternary
Large Carnivores, Neanderthals, Humans, mastodons
