252
Million years ago
The Mesozoic era

A journey through deep time.

Scroll forward through 186 million years — from the ashes of the greatest extinction the planet has ever known, to the day the sky fell.

↓ Scroll to begin — 252 MYA
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Asteroid over prehistoric coastline
66 million years ago

The day the sky fell

A ten-kilometre asteroid struck the Yucatán shallows with the force of ten billion Hiroshimas. Three-quarters of all species vanished — and the 165-million-year reign of the dinosaurs ended in a single terrible afternoon. Only the birds carried the lineage forward.

Meet the creatures of each age

Filter the full species catalogue by period.

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