The relic of an extinct sea creature included an early form of the eye seen in many of today’s animals, including crabs bees and dragonflies.
Researches made the “exceptional” find while looking at the well-preserved fossil of a hard-shelled species called a trilobite.
These ancestors of spiders and crabs lived in coastal waters during the Palaeozoic era, between 541-251 million years ago.
The team, which included a researcher from the University of Edinburgh, say their findings suggest compound eyes have changed little over 500 million years.=read more and see video
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