This is an open circle with a diamond in the center, forming 5 compartments (including the center of the diamond). Each compartment has a dot in the middle.
The genre for this stylistic element depends on a combination of decorative technique, color, and element.
Cataloging Example for Depicted Sherd:
|Interior/Exterior||Location||Decorative Technique||Color||Stylistic Element||Motif|
|Interior||Proximal Rim||Painted under, free hand||Purple-Blue, Muted Dark||Geometric Circle||Individual A|