Learn more about the time period that took place 488 to 443 million years ago. 3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the ...

Two underwater sea lilies were eaten and regurgitated around 66 million years ago. They were preserved as fossilized vomit.

Crinoids first appeared in Early Ordovician rocks. Although crinoids still exist today, the species found in Cincinnatian rocks disappeared at the end of the Permian Period. Fragments, especially the ...

Eric Monceret and Sylvie Monceret-Goujon found one of the world’s richest and most biodiverse fossil sites from the Lower Ordovician period (488-444 million years ago) in southern France.