But for scientists who discovered a new 450-million-year-old arthropod preserved in iron pyrite, the substance could be considered priceless. Fossils of ancient arthropods - a group of animals ...

Smith explained that when the brains of arthropods developed ... Read also: Swedish scientists revive ancient dragon species ...

Research suggests color vision first appeared roughly 500 million years ago, apparently evolving independently in ancient arthropods and vertebrates. The first vertebrates to see in color likely ...

Arthropods belong to an evolutionary branch – the ecdysozoa – that contains about half of all animal species, and the earliest fossil evidence of the group now dates back 550 million years ...

The tailless whip scorpion is an arachnid whose lineage dates back over 400 million years, making it one of the most ancient and enduring groups of land-dwelling arthropods. These fascinating ...

A 450-million-year-old fossil of an ancient relative of spiders has been ... It belongs to an arthropods group called megacheirans, which have a large, modified leg at the front of their bodies ...