Rare evidence about cyclidan crustaceans has been uncovered in the USA, revealing more about how they behaved.

When water temperatures rise to 60 degrees and level off after the last cold snaps of winter, the coastline welcomes ...

This is a reconstruction of fossil crab larva (a) ventral aspects, (b) dorsal aspects. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert!

This fossil belongs to the euarthropods group, which includes present-day insects, spiders, and crabs. What makes it unique is the exceptional preservation of its internal organs, despite the ...

Horseshoe crabs are often referred to as the "living fossils" of our planet—the four known species, including three in Asia and one in North America, remain nearly identical to their ancient ...