Two Rare Ancient Trilobite Fossils, Devonian Era, ca. 395-345 million years old, the first, Proetus granulosus of the Proetida order with excellent high relief and natural carapace, the second, Hollar

trilobite years proetus granulosus proetida order excellent high relief natural carapace second hollardops limestone matrix recovered ancient fossils million southern rare devonian 395-345 morocco 1-1/2 2-1/4