Fossils are bacteria colonies sometimes, a bone can expand with fluid. This is pretty common sense and I understand it.

But what is taphonomic expansion? Does it mean a fossil can be bigger than the original organism, just like if you let rice soak, it gets bigger?

  • $\begingroup$ do you have any source for where you heard taphonomic expansion? That would be a big help. $\endgroup$
    – John
    Feb 20, 2022 at 3:34


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