This description pertains to a round-shaped structure with an arched upper side and a flattened lower side. The plates that make up this structure have significant pits at their corners. The primary protrusions on these plates are scalloped and lack any openings. There are reddish-brown bands on the main spines. Each plate along the channels has a central protuberance. Pore pairs occur in sets of three. The top system is diminutive, and the area around the anal opening has multiple small plates. The plates related to reproduction feature protrusions that encircle the anal opening, which is positioned in the center.