Scientists estimate more than 99 per cent of all species that have ever existed on Earth are now extinct. Only a handful of them have been preserved as fossils. Fossils are ancient organisms ...

Other prehistoric animals ... The new species likely had an armored body and spiny bones on the head, researchers said. Marc Witton via Meade, et al (2024) Papers in Palaeontology Thousands ...

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 ...