Fast facts
      Blade edges straight
      Nearly flat cross section 
              Shoulders frequently barbed
       
              Corner notches small and narrow
       
              Base generally short
       
              Basal edge straight to slightly concave
       
              Basal edge frequently ground smooth
       
              Size: 1 to 2¾ inches long
       
              Late Archaic: ca. 3200-2500 BC