Devonian Cruziana Trilobite Ichnofossil

Description: This trackway has been ascribed to trilobites and as such has been named Cruziana. It consists of one longish bilobate trail and a few smaller fragmentary traces. These are the result of infilling of the original tackway, followed by subsequent wearing away of the mold to leave the cast seen here. I never fail to be fascinated by these moments in time frozen for hundreds of millions of years, documenting the scurrying of some trilobite searching for a meal or shelter. Ichnotraces such as these are Nature’s time machine.