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Trilobites are well known from an extensive fossil record. Due in part to their massive diversity – and their hard exoskeletons – some 17,000 fossilized species of the arthropods have been discovered ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Getting upset over nothing? Well, you're not being ridiculous: Some atoms may form actual bonds ...

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 ...

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 ...