Friday, March 19, 2010

Armored Contemporary of the Trilobite

A rare fossil has been discovered in the middle of the city of Ottawa. Terra Daily reports on this amazing find:
Plumulitids were annelid worms - the group including earthworms, bristleworms and leeches, today found everywhere from the deepest sea to the soil in your yard - and although plumulitids were small they reveal important evidence of how this major group of organisms evolved.
Here is the reconstruction of what the critter is thought to have looked like. These animals likely had a kind of body armor that protected them from predators.

Another piece of the puzzle.

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