Two Foulonia Trilobites with a Cephalopod - Fezouata Formation

This is a cluster of two Foulonia trilobites preserved alongside a partial Asaphellus trilobite and a cephalopod, collected from the Fezouata Formation of Morocco. Trilobites from this locality are often found in lines, which has sometimes been interpreted as fossilized migratory behavior. We tend to think it's more likely the orientation is due to currents sweeping the trilobites into wave depressions in the ocean floor. A paper was published a couple years back, describing similar fossils from this same locality.

480-million-year-old trilobite ‘traffic jams’ may reveal ancient migratory behavior

The entire piece measures 10.1 x 5.65" and the largest trilobite is 2.3" in length. Preparation is very good and there is approximately 3-4% restoration along repaired cracks. It comes with an acrylic display stand.