Central Andean Lithic Techno-Typology at the Terminal Pleistocene-Early Holocene Transition
By Elmo Leon Canales
Typical Paijan stemmed points from the North Coast of Peru (ca. 11,000–6,000 cal. BC.)
Here’s a link to view the above paper, from which the illustration of the paijan points comes:
https://www.academia.edu/235102/Cent...ene_Transition
Note that you need an Academia account (free) to download the paper.