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Zero parallel location during the Cambrian

drifts assemble and break her up

Silurian volcanism reforming Laurasia

they are coiled close together

Iapetus rafts terranes to be added back

Neo-Tethys pushes them across the Equator

microcontinents and blocks amalgamate

unknown if they originated on her shores

lycopods invade and dominate the tropics

terrestrial pteridophytes colonize rapidly

Baragwanathia flora occurs in two strata

replaced by Archaeopteris and giant moss

Rheic closure, ocean currents reroute

Gondwana rotates clockwise, Australia shifts

south to more temperate coordinates

coal-forming forests form from ice melting

now petrified voltziaelan conifers evolve

extinct glossopterids reach peak diversity

plant-vertebrate-insect ecosystem results

hexapods codevelop, therapsids arrive