Orthoceras on Matrix

The distinctive bullet-like shell of these nautiloids was once divided into gas-filled chambers, which kept the creatures buoyant in the water. They are now fossilised in black limestone and often found in clusters, washed together by the ancient sea currents.

Period: Devonian
Age: approx. 400 million years
Origin: Morocco

Each plate measures approximately 7-10" (small), 10-12" (medium) and 11 x 13" (large).

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