Atotonilco Corner Notch Point

This triangular corner notch point exhibits a slender, oval-shaped profile, characterized by a broad blade with outwardly curved edges. The length of the blade can vary significantly, ranging from compact and stout to elongated. The notches, which are situated at the corners of the preform, display a range of depths, from superficial to pronounced. The shoulders of the point may be nearly straight or exhibit a slight, barbed inclination. The stem is notably short and wide, with a shape that expands outward, featuring a basal edge that is either straight or subtly curved. The flaking pattern observed on this point is irregular and non-directional, lacking a discernible pattern.

The dimensions of these arrowheads are characterized by a length range of 19 to 36 millimeters, with a mean length of 25 millimeters. The width of the blade varies from 15 to 27 millimeters, averaging 21 millimeters. In terms of thickness, the measurements span from 2 to 6 millimeters, with an average thickness of 4 millimeters.

These artifacts are mainly located in the Loma, Guadiana Chalchihuites, and Suchil Chalchihuites archaeological areas of Chihuahua, Durango, Zacatecas, San Luis Potosi, Jalisco, and Aguascalientes Mexico