Cells disk-shaped, single. Central area slightly eccentric. Separating lines straight. Extension of the narrow ray inside the central area club shaped. The remaining hyaline rays straight and narrow, 9-10 hyaline rays.
Cells diameter 53-65 µm.
Sites of occurrence in RSA:
In Winter 2006 Cruise, this species occurred in small numbers at two sites in the Sea of Oman (refer sites map).