A fossil of the asaphid trilobite Megalaspides. This specimen dates back to the Ordovician period. It was collected in Ohio, USA and is displayed by the Staatliches Museum für Naturkunde in Karlsruhe, Germany.
Photo credit: H. Zell
A fossil of the asaphid trilobite Megalaspides. This specimen dates back to the Ordovician period. It was collected in Ohio, USA and is displayed by the Staatliches Museum für Naturkunde in Karlsruhe, Germany.
Photo credit: H. Zell