In addition, these stone tools are often called by different names considering the difference of the time when these stone tools were made or used, such as those made more than 30 thousand yeas ago called simply 'point,' those appeared soon after the coldest period of the Last Glacial Maximum called 'lanceolate-shaped point,' those of the Jomon period called 'stone spear.'
さらに、約3万年以前の尖頭器、最終氷期最寒冷期以後の槍先形尖頭器、縄文時代の石槍など、製作ないし使用された年代の相違を考慮し、それぞれを呼び分ける場合も多い。