The next step, in the late Triassic, was for very many of the archosaurs to become true dinosaurs.

The Late Triassic also saw the origin of the dinosaurs.

It lived during the late Triassic and the early Jurassic, about 210 million years ago.

The Late Triassic was an innovative time in the animal kingdom.

It lived during the Late Triassic in what is now Texas.

It was deposited during the late Triassic to early or middle Jurassic.

This is Arizona: the Late Triassic, some two hundred million years ago.

Postosuchus was one of the largest carnivorous reptiles during the late Triassic.

These areas of Pennsylvania were covered in huge lakes during the Late Triassic.

As with all other phytosaurs, pseudopalatines lived during Late Triassic.