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April 18, 2006
They're very excited about this
Discovery Channel :: News :: Prehistoric Worm Droppings Found
Half-billion year old fossilized worm poop. How can they tell that it was poop?
The shape of the fossil, its clear demarcation from surrounding rocks, its density, and high phosphorus content all suggest that it is excrement, Terfelt added.
However, after 200 million years or so, it doesn't smell so bad.
Posted by Mac Thomason at April 18, 2006 11:20 AM