In 1663, the skull of a woolly rhinoceros was discovered along with the tusk from a narwhale and the front legs of a mammoth in Germany. 

This is how the “Magdeburg Unicorn” was assembled, one of the worst fossil reconstructions in human history. https://image.nostr.build/440f97f8b4dde57f1bc06a8dc8eea56f60812cb1501add385ca35b00fef33117.jpg