The microscopic “water bear” fossil is as about as rare as they come.
This lateral view of Paradoryphoribius chronocaribbeus shows how it looks with a stereomicroscope.
A long, long time ago, a miniscule animal met its end in a sticky trap of tree resin. Sixteen million years later, that tiny tardigrade fossil was discovered in Dominican amber. It’s now something of a science celebrity. Talk about a glow-up.