 The complex was defined on the basis of investigations at rock shelters near the town of San Jose de Comondú by archaeologist William C. Massey, beginning in the late 1940s.It has been recognized at sites extending from the Sierra de la Giganta (west of Loreto) in the south to Bahía de los Ángeles in the north.A key characteristic of the Comondú Complex is the presence of small Comondú Triangular and Comondú Serrated projectile points.