The Triassic is a tale of two histories. One is its natural history, begun after the Great Permian Dying, 252m years ago, when, as happens from time to time, plate tectonics brought Earth’s continents ...

The period of time before the Triassic was called the Permian. This was a time when a wide variety of animals lived, including a group of animals called the synapsids, which would later evolve ...

The Triassic period was a unique episode in Earth’s ... At first, these creatures were much smaller, but they eventually outgrew other animals such as the Lystrosaurus, a dog-sized animal ...

Threordatoth chasmatos was one of the last survivors of the procolophonids, a group of lizard-like animals that were once widespread during the Triassic. A fossil hotspot in southern England has ...

These strange animals are ... whose lineage stretches back approximately 230 million years to the Triassic period, making it one of the oldest surviving lineages of reptiles.

Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a ...

The tuatara, a reptile species found only in New Zealand, originated during the Triassic period, so it has literally been ...

The origin of mammals is shrouded in mystery, but every fossil clue helps rewrite the story. A new discovery on a Mediterranean island is challenging what we know about when—and where—mammal ancestors ...

Evidence of the species, Threordatoth chasmatos, was unearthed from a former quarry in Cromhall, South West England—a site renowned for its abundant fossil remains dated to the Triassic period ...

The associated changes in the climate and vegetation affected how dinosaurs evolved. All continents during the Triassic Period were part of a single land mass called Pangaea. This meant that ...

Less than 5 percent of the animal species in the seas survived ... terrestrial realm's transition from the Permian to the Triassic period." We ascended through sheep-ranching country toward ...