Sunday, March 23, 2014
21 Mind-Blowing Now-Extinct Lifeforms
As
amazing as the different species of earth are, there were so many more
that are no longer with us. In some cases, that’s fortunate for us,
because many were huge and predatory. In other cases, it would be so
cool to have them around now. And then there are some that are just too
weird to contemplate, like the shark with a circular saw in its mouth
and the poop-eating snail that fossilized in place to show how it was
done. Emily Graslie of The Brain Scoop guest-hosts this week’s mental_floss video from the Field Museum in Chicago.
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