Peridinium parcum Balech, 1971: 100, Pl. 21 (368-375)
After Balech, 1976: Length 26-33µm, width 35-31µm. Small, more or less globular, deformable. Biconical apical horn. Cingulum ascending always somewhat more than one times its own height, with moderate overhanging and a litte depressed sides. Antapical spines long and fine, somewhat divergent; the left always shorter than the right one. Sculpture made of a faint reticulum and small, sparse 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.