A “demon-toothed” sea creature with “large, well-spaced fangs” has been identified as a new species after a researcher found a fossilized partial skull in the New Mexico desert, officials said. The ...

The Devonian, part of the Paleozoic era, is otherwise known as the Age of Fishes, as it spawned a remarkable variety of fish. The most formidable of them were the armored placoderms, a group that ...

3 min read During the Ordovician period, part of the Paleozoic era ... this line of backboned animals later went extinct. Fish started becoming more widespread in the fossil record.

ALBUQUERQUE — A new species and genus of a toothy prehistoric fish has been discovered in ... an early ray-finned fish that lived during the Paleozoic period several hundred million years ...