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Early Triassic

Adapted from Wikipedia · Explorer experience

A stunning view of Earth from space, captured by astronauts during the Apollo 17 mission.

The Early Triassic

The Early Triassic is a very old time in Earth's story. It started about 251.9 million years ago and ended about 246.7 million years ago. This was the first part of a big time called the Triassic Period.

After a big event that made many plants and animals disappear, Earth started to heal. The weather was very hot and dry, especially in the middle of a huge land called Pangaea. Some places near the poles were cooler and nicer.

Life was just beginning to grow again. On land, a small plant-eater called Lystrosaurus was one of the most common animals. In the oceans, simple creatures like clams and snails lived. The first ocean animals that looked like dolphins and reptiles also appeared. Plants were still simple and took a long time to grow back into big forests.

Images

A map showing Earth as it looked 250 million years ago during the Olenekian Age, with outlines of today's countries for comparison.
A beautiful sandstone formation near Stadtroda, Germany.
A serene lake in the Putorana Nature Reserve, showcasing beautiful natural scenery.
Fossilized brittle stars from the Lower Triassic period, displayed at the Natural History Museum of Slovenia.
A fossilized bivalve from the Triassic period, displayed at the Museum Gherdëina in Val Gardena.
A fossilized shell of an ancient sea creature, displayed in a museum in Paris.
An ancient fossil of Candelarialepis argentus from Nevada, showing early life forms preserved in stone.
Fossil of Lystrosaurus, an ancient animal on display at a museum.
Artist's reconstruction of Pleuromeia sternbergii, an ancient plant from the Triassic period in Germany.
A diagram showing the layers of rock in the Williston Basin, helpful for learning about Earth's geology.

Related articles

Triassic
Pangaea

This article is a child-friendly adaptation of the Wikipedia article on Early Triassic, available under CC BY-SA 4.0.

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