In 2015, two members of the Blue Beach Fossil Museum in Nova Scotia found a long, curved fossil jaw, bristling with teeth.

The species was named Sphyragnathus tyche, combining Greek words "sphyra," meaning hammer and "gnathus," meaning jaw for the ...

Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.

Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought.

Lots of species were lost at the end of the Devonian period, which ended about 358.9 million years ago, to a mass extinction and the diversity of fish declined, Wilson wrote in a June 24 article ...

Armoured jawless fishes had dwindled by the Late Devonian Period (419.2-358.9 MA), but the rest were still diverse. Actinopterygians were still restricted to a few species with similar body shapes.

What is the Devonian period? The Devonian is a geological period spanning from 416 to 359 million years ago. Known as the "age of fish," it is marked by the rise of numerous aquatic species, ...

Jawed fish explode into the fossil record 419-359 million years ago during a period known as the age of fish, or the Devonian. ... rays and ratfish. (Bony fish like salmon and humans are the ...

By the Devonian Period, which spanned from 419 million to 359 million years ago, jawed fishes were a global phenomenon, earning that era the nickname “Age of Fishes” (SN: 7/17/18).

We think of fish as expert swimmers, but in fact they have evolved the ability to “walk” at least five times. Some species pull themselves forward using well developed fore-fins, while others ...