Bronteus

A Bronteus trilobite is distinguished by its exceptionally wide, semicircular tail shield, known as a pygidium, which gives it a fan-like outline. Its body structure differs drastically from typical trilobites due to the exaggerated size of this rear segment.

Bronteus trilobites lived during the Devonian period, often called the "Age of Fishes." This geological era lasted roughly from 419 to 359 million years ago.

Fossils of Bronteus are commonly discovered in Devonian marine deposits across Europe and North Africa. They are particularly well-known from the famous fossil beds in Morocco.

Bronteus is often treated as a synonym or close relative of *Dicranurus*, another spiny trilobite genus from the same period. Paleontologists sometimes debate the exact classification between these similar Devonian arthropods.