Scientists ID tiny prehistoric sea worm with 50 head spines

WASHINGTON (AP) — Long before dinosaurs roamed the Earth, a bizarre creature with a Venus flytrap-like head swam the seas.
Scientists have uncovered fossils of a tiny faceless prehistoric sea worm with 50 spines jutting out of its head. When some unsuspecting critter came too close, its jaw-like spines snapped together and dinner was served.
The discovery reported in Thursday’s journal Current Biology offers a glimpse into the Cambrian explosion of life on Earth about 541 m