Amateurs, too, can look at local rocks to learn about what life was like in the Ordovician Period, 505 to 438 million years ago. Some of our area's unique geological features and the processes that ...

Two of Earth’s five confirmed mass extinction events could have been caused by nearby supernova explosions stripping the ...

A video on X of people collecting marine fossils has apparently caused some confusion, as they are collecting their ancient ...

Ordovician reefs were also home to large sea ... A few species of these "living fossils" still survive today, such as along the eastern seaboard of the United States, where each spring horseshoe ...

However, by the early Ordovician period, Megacheirans were in decline, making L. edgecombei one of the last surviving species from this group. The fossil reveals that the front appendages ...

The fossils that these layers contain are world-famous for the details that they record about life on Earth during the Late Ordovician Period. Besides preserving pieces of Earth's history, limestone ...

The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period. Emma Bernard, a curator of fossil fish at the Museum, ...

Detail images of fossils from the Ordovician Period outcrop on Anticosti Island, Quebec, Canada. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

potentially [the fossils] provide a sort of intermediate between the Cambrian record and the later Ordovician records.” Plants that live on land are thought to have ... In this webinar, Kevin J.

Rich brachiopod fossils dating back 470 million years to the Ordovician period were discovered in Zigui county, Central China's Hubei Province. Experts suggest these fossils provide evidence for ...

the microfossils dating to the Lower Ordovician Period, approximately 480 million years ago, fill an approximately 25-million-year gap in knowledge by reconciling the molecular clock—or pace of ...