Six new species of trilobites have been found deep underground in the Canning Basin of Western Australia. Dr. Patrick Smith at the Australian Museum and Heidi Allen from Geological Survey of WA tell ...

Scientists have worked out how one unusual species of trilobite—an ancient, sea-dwelling relative of spiders and lobsters—was able to defend itself against predators and survive a bumpy ride as ...

About half a billion years ago, a volcanic eruption near a shallow sea in what’s now Morocco preserved some of the most complete specimens ever found of buglike sea creatures called trilobites, ...

Nobody messes with the king. Well, except for the relentless passing of time. Scientists analyzing a large collection of trilobite specimens realized that one species, Redlichia takooensis, seemed to ...

If you've ever held a trilobite fossil, seen one in a classroom, or walked by one in a store, chances are it was Elrathia kingii, one of the most common and well-recognized trilobites. New work ...

If you've ever held a trilobite fossil, seen one in a classroom, or walked by one in a store, chances are it was Elrathia kingii, one of the most common and well-recognized trilobites, and collected ...

Boulder, Colo., USA: Thanks to their easily fossilized exoskeleton, trilobites largely dominate the fossil record of early complex animal life. However, trilobite appendages and the anatomy of the ...

A new study finds that a trilobite species with exceptionally well-preserved fossils from upstate New York has an additional set of legs underneath its head. The research suggests that having a fifth ...

The discovery of clasper limbs in a fossil suggests that some species of the ancient arthropods reproduced much like modern horseshoe crabs. By Jack Tamisiea The sturdy, calcite-infused exoskeletons ...

Here’s something to chew on: a fossilized trilobite from the Ordovician Period, which is so well preserved that a team of paleontologists was able to identify its last meal, now mineralized in the ...

A mysterious, prehistoric marine creature has spilled its guts. For the first time, scientists have unearthed a fossilized trilobite whose final meals were preserved within its digestive system.