The Triassic Period: facts, geography, climate, plants and animals. The ultimate guide to the first period of the Mesozoic Era.
The Triassic Period: Introduction
The Triassic Period is a period of time in the geologic timescale; the first of the three periods of the Mesozoic Era.
Although the Triassic Period is best known for the appearance of the dinosaurs, they wouldn’t achieve dominance until the Jurassic Period. Instead, the Triassic Period was a time in which other reptile groups would thrive.
The Triassic Period saw the appearance of the huge flying reptiles known as pterosaurs, fearsome crocodile-like reptiles called pseudosuchians, and giant marine reptiles in the shape of ichthyosaurs and plesiosaurs.