The Devonian was a period in Earth's history.

Visits and incursions

Episode 2.5

During her travels through the Anomalies, Helen Cutter got slimed while in the Devonian, forcing her to go to the present to get the slime's smell washed off.

Real life

The Devonian period lasted from approximately 419 to 359 million years ago. During the Devonian, a great diversity of fish (some of which were giant and predatory) ruled the oceans, while on the land, the evolution of terrestrial life had advanced to form primitive forests of rooted plants harbouring arthropods. The Devonian also saw the evolution of Ammonites and the first ever amphibians. The Devonian was named after Devon as many fossils of that time, were found there.

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