The continents we know today originated with ... The Devonian period (419 to 358 million years ago) brought Gondwana and Laurasia closer, contributing to the Late Devonian extinction and the ...

Once unified in the supercontinent Pangea, the landmasses later split into Laurasia and Gondwana before dispersing into the continents we know today. Fast forward another 100 million years ...

Laurasia, the northern half, broke up into North America and Eurasia. Gondwana, the southern half ... pushing sea levels higher and onto the continents. All this water gave the previously hot ...

creating Laurasia in the north and Gondwana in the south. Despite this separation, similarities in their fossil records show that there were some land connections between the two continents early in ...