TINY CRAB PRESERVED IN 100-MILLION YEAR-OLD AMBER LIVED AMONG DINOSAURS

Fossils trapped in amber have been among paleontology’s most fascinating finds in recent years — globs of hardened ancient tree resin have captured tantalizing details about spiders, lizards, microscopic animals, insects, birds and even a tiny dinosaur that are often missing from fossils found in rock.⁠
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However, all these creatures were landlubbers that you might expect to encounter on a tree trunk or branch. Now, scientists have found the oldest aquatic animal preserved in amber — and it’s the most complete crab fossil ever discovered.