After Balech, 1976: Length 35-45, width 41-51. Short, wide, stout. Apical horn short and gradually emerging. Cingulum sometimes flat. Spines generally almost parallel and wingless. Angle antero-external of 5.s.obliquely truncate. Sculpture of sparse irregular pores.
This species is rarely reported. www.algaebase.org lists this species as 'p' indicating it has not been subject to any kind of verification.