4.1" Partial Ordovician Brittle Star (Ophiura) - Morocco

This is a partial, 4.1" wide fossil brittle star (Ophiura sp) from the Kataoua Formation of Morocco. It's ordovician in age or approximately 450 million years old. The bright orange coloration is natural and due to the oxidization of iron pyrite.

It comes with an acrylic display stand.