500 Million Year-Old Trilobites Freed From A Hillside Quarry 😊 - Ollenid species, the oldest simplest and most fragile trilobites in the fossil record, collected from the Latham Shale at Amboy, CA, with @endling #fossils #trilobites #geology #paleontology #rockhound #fulltimecampers (at Amboy, California)
