Palaeontologist Sarah Gabbott explains what’s so unusual about her discovery, which she named as part of the process of ...

Fossil found in South Africa named Keurbos susanae after 25 yearsExceptionally preserved soft tissue from post-extinction seafloorHarsh, anoxic condi ...

seeking out fossil specimens from the Cambrian and Ordovician periods (541 million to 443 million years ago). One telltale sign of a vertebrate species is the presence of internal tubules for ...

It lived in the immediate aftermath of the end Ordovician extinction event more than 440 million years ago, caused by glaciations (the spread of icy conditions) across vast swaths of the planet.

We are now down to four competitors. The “o” in the middle of “Ordovician” was tricky, the broadcasters said, but Sarvadnya spelled it with ease and cruised through to the next round.

The new study, published this week in Nature, confirms that these structures in an early vertebrate fish from the Ordovician period about 465 million years ago contained dentine, and likely helped ...

To explore the macroevolutionary potential of trilobites, the researchers compiled an extensive dataset of body size for Cambrian and Ordovician forms, covering 1,091 genera and representing more ...

Kleffner is a paleontologist and stratigrapher whose research has focused on Silurian rocks and conodonts from the North American midcontinent, according to a news release from Ohio State.

About 35 miles southwest of Chicago, Joliet is at the epicenter of a regional water crisis where many suburbs will run out of water supplied by the Cambrian-Ordovician aquifer by 2030, according ...

From early Earth to future Mars Mosses made the transition to land 450 million years ago during the Ordovician period, a process that Hamberger suspects couldn't have succeeded without some teamwork.