Some of our area's unique geological features and the processes that occurred to form them are: The fossil content of local limestone shows the diversity of life in the late Ordovician period.

A huge 75-foot-tall square boulder deep in Wyoming’s Bighorn Mountains has been baffling people since it was discovered.

This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling from the ring rather than flying in from space, which would explain the strange ...

Brachiopoda ("lamp shells") - Brachiopoda (or "lamp-shells ... Cincinnatian Series - The layer of exposed bedrock in southwestern Ohio composed of rock from the Upper Ordovician period. Clastic ...

Series: The Critical Moments and Perspectives in Earth History and Paleobiology Your institution does not have access to this book on JSTOR. Try searching on JSTOR ...

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 ...

In the past 500 million years on Earth, there have been five mass extinctions. Here are a few incredible species that managed ...

Simple, single-celled algae would have made enough oxygen via photosynthesis to sustain trilobites, clamlike brachiopods, worms ... All of that extra oxygen likely contributed to the Great Ordovician ...

The Ordovician world was a watery one in which ... But in the Cabrières Biota, you’ll find brachiopods, trilobites, bivalved arthropods, worms, cnidarians, and mollusks. The fossilized loot ...

Brachiopod hard parts have excellent preservation potential. As a result, the Museum’s Brachiopod collection has more than 300,000 specimens, including 10,000 type and figured specimens. Uniquely, the ...

Brachiopods past and present ... The Natural History Museum, MUIR LA, Botting JP, LONG SL, FORTEY RA (2004) Sponging off the poriferans: complex Ordovician ecosystems reliant on spicule-rich sediments ...