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Gotta love that they went with a snail, which already has a calcified shell, and whose soft parts are only very rarely preserved as fossils. It's a really bad example.
The buffaloes shot by cowboys 150 years ago never turned into fossils.
Really makes you stop and think, doesn't it?
Should be a butt ton of fossils in southern Brazil soon.
There are buffalo jumps, which have been in use for thousands of years and have countless bones of the animals driven off of them that have never fossilized.
Wow, that's some ruthless efficiency right there. TIL.
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