Therefore, the point before the appearance of microlith is called 'early point' and the one after microlith is called 'point in developing period,' and the difference between these styles is considerably remarkable.
そこで、細石器段階以前を初期尖頭器、以降を発達期の尖頭器と呼ぶこともあるが、両者の差異はかなり顕著である。