Outline is Representative of Size and Shape:
Name Details:
Identified By: Gregory Perino
Named For: County in Missouri
Date Identified: 1991
Type Site:
Point Validity:
Valid type
Perino was a well-respected self-taught archaeologist who was the founder of the Illinois State Archaeological Society. This point was named in a professional publication and has many professional references. This is considered a valid type.
Description of Physical Characteristics and Flaking Pattern:
This is a thin medium to large triangular side notched point with a flattened cross section. The blade is primarily excurvate, but may vary to straight. The blade is widest above the shoulders. Notches enter the blade at a diagonal angle with notches being commonly narrow. The stem is expanding to expanded. The base may range from straight to concave with basal corners that range from rounded to square. Basal grinding is light to absent This point has a random flaking pattern and is commonly well made.
Size Measurements:
Total Length - 45 to 120 mm (average 60 to 70 mm), Stem Length - 8 to 11 mm, Blade Width - 21 to 39 mm, Neck Width - 15 to 24 mm, Stem Width - 21 to 35 mm
Additional Comments:
These points were previously classified as a Cache River variant.
Distribution:
Distribution Comments:
These points are primarily found from central Missouri into Illinois.
Age / Periods:
Date: 7,500 - 6,500 B.P.
Cultural Period: Middle Archaic
Glacial Period: Middle Holocene
Culture:
Age Details: