User:Abyssal/Portal:Ordovician/Selected picture/3
A cluster of fossils fossil of the trilobite Homotelus bromidensis. This specimen dates back to the Ordovician period and was discovered in Oklahoma, USA.
Photo credit: High Contrast
A cluster of fossils fossil of the trilobite Homotelus bromidensis. This specimen dates back to the Ordovician period and was discovered in Oklahoma, USA.
Photo credit: High Contrast