The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician.

Graptolites show us how unpredictable the Silurian period really could be. What graptolites tell us is a story of incredible changes in the ocean, of periods where the oceans became poisonous and ...

Object Details Creator Smithsonian Institution Photographic Services Division Subject Museum of Natural History (U.S.) Notes Updated as part of the Exhibits Modernization Program. See United States ...

It means a lot more activity was happening in the Silurian period (around 439 million years ago) than we thought. It may seem weird to think about, but there really was a point in the evolutionary ...

A newly discovered fossil “treasure hoard” dating back some 436 million years to the early Silurian period reveals, for the first time, the complete body shape and form of some of the first ...

The Silurian Period is characterised by a dynamic interplay between environmental stressors and biotic turnover, with extinction events and carbon isotope excursions (CIEs) representing pivotal ...

Its name means “progenitor scorpion hunter,” and it lived during the early Silurian period sometime between 437.5 and 436.5 million years ago.

This article is more than 5 years old. WASHINGTON D.C., Oct. 20, 2016 (Xinhua) - This illustration shows Qilinyu, a 423-million-year-old fish from the Kuanti Formation (late Ludlow, Silurian).

In recent years, paleontologists have found scales and other bits that suggest the presence of jawed fish during the Silurian period, which lasted from 443.8 million to 419.2 million years ago.