Although these new life-forms spread worldwide ... were the most diverse animal group in the Cambrian period and the Ordovician period that followed. The 452-million-year-old limestone slab ...

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 ...

A new study suggests that extreme temperatures could lead to a mass extinction event, ending the reign of humans and mammals ...

Fungi were some of the first complex life forms on land, mining rocks for mineral nourishment, slowly turning them into what would become soil. In the Late Ordovician era, they formed a symbiotic ...

The glacial outwash then forms an outwash plain ... two-sided jigsaw blade. In life, the rhabadosome was suspended from a "float" by a slender thread called a nema. Late Ordovician Period - The ...

This ancient fossil belongs to a newly identified arthropod species, Lomankus edgecombei, from the Ordovician period. Arthropods, a diverse group ...

L ike many of us, Earth bears old pockmarks. Our planet’s crust has a band of ancient craters that formed around 465 million ...

Emma Bernard, a curator of fossil fish at the Museum, says, 'Shark-like scales from the Late Ordovician have been found, but no teeth. If these were from sharks it would suggest that the earliest ...

“Fossils like this tell us a great deal about what life on Earth looked like hundreds of millions ... an organism’s body is ...

Researchers have uncovered a golden-colored, 450-million-year-old fossil of a new arthropod species, preserved in fool’s gold ...

A creature that scuttled along the seafloor 450 million years ago has been preserved in a rare and striking fossil that ...

The theory would explain the presence of an odd density of impact craters around the equator dating back to the Ordovician period ... ways over the course of its life. It’s been hot and fiery.