Arizonasaurus was an archosaur from the Middle Triassic.

Around 66 million years ago, Earth underwent a catastrophic event that wiped out nearly 75% of all species, including the dinosaurs. This wasn't the first mass extinction in our planet's history, but ...

IGCP Project 216--"Global Events in Earth History." ...

Despite Earth's most devastating mass extinction wiping out over 80% of marine life and half of land species, a group of early reptiles called archosauromorphs not only survived but thrived, venturing ...

Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer than the rings of Saturn, and longer than most of the other life on ...

The Silurian Period is characterised by a dynamic interplay between environmental stressors and biotic turnover, with extinction events and carbon isotope excursions (CIEs) representing pivotal ...

The Late Devonian represents a critical interval in Earth’s history, marked by a profound restructuring of marine biodiversity and a series of mass extinction events. This period witnessed extensive ...

pt. 1. Articles of a general nature. Phanerozoic marine biodiversity : a fresh look at data, methods, patterns and processes / Martin Aberhan and Wolfgang Kiessling ; Coordinated stasis reconsidered : ...

The impact dinosaurs had on Earth was so big that their extinction seems to have caused dramatic and wide-ranging changes to the planet’s landscapes, such as shifting rivers. There is a marked ...

(CNN) — Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” ...