Orthoceras and Ammonite (Explored)

The Sunday Challenge: The oldest thing in your house.

When I visited Morocco, I traveled to the portion of the Sahara Desert near Erfoud that used to be the bottom of an ocean during the Devonian period, the Paleozoic Era, about 380 million years ago. Fossils were visible in the rocks, just waiting for a carver to set them free.

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