For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.

3 min read During the Ordovician period ... known mainly from the tiny fossil teeth they left behind. The few complete fossils that have been found suggest they were finned, eel-like creatures ...

finding fossils and then trying to figure out how they lived, what they tell us about ancient life and evolution on Earth." More information: A new euarthropod from the Soom Shale (Ordovician ...

When & where did the arthropod become a fossil? During the first of the five mass extinctions in the planet's history, the Late Ordovician mass extinction wiped out nearly 85% of all life.

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 ... Lab safety rules dictate that ...

South China is renowned for its exceptional fossil preservation and its diverse Early Paleozoic marine ecosystems. Researchers have extensively studied the Ordovician strata in this region ...

Fossil echinoderms, including the common Cambrian and Ordovician echinoderms figured here (Fig. 1 from Deline, et al., 2021; request permission to use here) have a rich and diverse fossil record.