Originally posted by Daughter2
How in the world could none of these bones be found? We found bones much, much older.
I discussed this earlier. Preserved and fossilized bones are very rare. Many environments where humans have lived can be especially hard on their preservation (jungles are supposedly the worst, something dies in a jungle all trace of them will be gone pretty soon). Bones only get preserved pretty much by accident, like they get covered by some unusual type of debris that is perfect for preservation. Most fossilized and preserved bones we find come in huge groups, like when a heard gets caught in an avalanche or a volcanic lahar. Or like the La Brea Tar Pits in Los Angeles, where things fall in, can't get out and the tar preserves them perfectly for ages. It's taken more than a century to find the relatively small number of bones we have of the human line. We'll keep digging and odds are that somewhere somebody got preserved from this species and it will be found.