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 ...

Chance discovery of 365-million-year-old fossil reveals new species - The large fish, spanning nearly a metre on the lake bed ...

Nature - Ancient fish from the Silurian period provide evolutionary insights. Scarce evidence indicates that key evolutionary steps for jawed vertebrates occurred during or before the Silurian ...

Genetic analyses had previously pointed to this time period, known as the early Silurian Period, as an era of rapid diversification of jawed vertebrates. But the toothy fishes seemed to have left ...

The fossils date between 436 and 439 million years ago, during an epoch known as the Silurian Period, in which Earth experienced some dramatic events (such as developing an ozone layer) ...

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 fossils date back to the Silurian period, an important era for life on earth from 443 million years ago to 419 million years ago. Skip to content. Fox 59.

Wisconsin's Silurian-era seas were also home to the Conodont Panderodus, a primitive fish. The species had "an eel-like body and no paired fin, so they had a tail fin, ...

The fossils date back to the Silurian period, an important era for life on earth from 443 million years ago to 419 million years ago. Scientists believe our backboned ancestors, ...

The fossils are said to date back to the Silurian Period, about 443 million years ago to 419 million years ago, when backboned animals were still swimming on a majority water-covered planet.