Ancient crustacean had elaborate heart

By Ashley Yeager, 15:35 PM April 7, 2014

The early ancestors of insects, centipedes and crustaceans had big hearts.

A fossil from 520 million years ago shows that the now-extinct Fuxianhuia protensa had a broad spindly heart that extended into a complex system of arteries, which sent blood to the creature’s limbs and organs, including its brain, eyes and antennae. The new 7.6-centimeter-long fossil from Kunming, in southwest China, represents the earliest complete cardiovascular system found in an arthropod, Xiaoya Ma of London's Nat...

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