1.2" Declivolithus Trilobite

This a 1.2" long specimen of a scarce, Lower Ordovician trilobite, Declivolithus sp. from Morocco. This trilobite has really dramatic cephalic pits along it's "head shield". It's unknown the exact purpose of these pits, they could have had sensory purposes or aided in filter feeding.

An Upper Ordovician (Katian) Trilobite Fauna From the Lower Ktaoua Formation, Morocco