Other phobias that persist intomodern times may have been fixed much more recently than snakes and spiders, say in the late Paleolithic age, about 100, 000 years ago, or even morerecently.

现代人继承得来的其它恐惧症，其形成时间可能远远晚于对蛇类和蜘蛛的恐惧；有可能在十万年前的旧石器时代晚期或更晚。