Vert Bio Big Events

Diversification of inverts, earliest suspected vertabrate

~ 530, Early Cambrian

Oldest fossils of known craniates

~ 460, Middle Ordovician

All major fishes

~360, Late Devonian

Origin of tetrapods

~350 early carboniferous

Origin of Amniotes

~330, early Carboniferous

Early diapsids

~290 early Permian

Early dinosaurs, early mammals

~225, Late Triassic

Early birds

~150 Late Jurassic

End of Cretaceous, extinction of most dinosaurs

~65, Late Cretaceous

Last 65 million years

rapid diversification of teleost fishes, birds and mammals

Early hominids

~4-5, Tertiary

Modern Humans

~100,000 years, Holocene Quarternary