This type was named by Gordon Willey in 1949. It also is part of the Weeden Island Series.
Cross hatched fine incising forming diamonds that are 3 to 5 mm in length. The tempering of this pottery is fine sand. Vessels are decorated below the lip on the exterior of the vessel. An incised line separates the decoration from the lip. Known vessel forms include flattened globular bowls and collared jars. Rim forms include incurving and out-flaring shapes. Lips are rounded.