This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived ...

This new Lambeosaurini find, combined with earlier discoveries of tyrannosauroid teeth in the same area, confirms that Late Cretaceous Laurasia had a classic dinosaur ecosystem. This ecosystem was ...

Began to break up during the Jurassic, split into Laurasia and Gondwanaland. Cretaceous - appearance of angiosperms, establishment in mid-latitudes while Northern Laurasia and Southern Gondwana ...

Laurasia, the northern half, broke up into North America and Eurasia. Gondwana, the southern half, began to break up by the mid-Jurassic. The eastern portion—Antarctica, Madagascar, India ...

Scientists divide the Mesozoic Era into three periods: the Triassic, Jurassic and Cretaceous. During this era ... split into two, creating Laurasia in the north and Gondwana in the south. Despite this ...