The pygidium is elongate subtriangular with the axis narrowly triangular reaching the back of the pygidium and consisting of about 10 rings. The pleural fields have 3 or 4 ribs.
The pygidium is characterized by its elongated, triangular form, with its central axis narrowing to the rear and consisting of roughly 10 connected sections. The adjacent pleural regions exhibit either 3 or 4 ribs.