don't let scientists implicitly put you down through this kind of paleolithic exceptionalism. your butthole is also unique and wonderful!

WORLD'S OLDEST BAT SKELETON DATED TO 52 MILLION YEARS AGO The bat skeleton asserts he has not dated since the Eocene Epoch because of mobility problems. Yet a paternity suit alleges that lack of mobility was never a problem, since even now the skeleton's fossilized bat penis is still hard.