Quod et al, 1999 : Non photosynthetic organism, cell circular to subcircular in lateral view ; 45- 57 micrometers long ; 37-51 micrometers wide. Cell laterraly compressed. Small epitheca ; large hypotheca. Right hypothecal plate convex with 56-635 areolate. Left hypothecal palte concave with 868-929 areolae and a narrow thecal cut situated  in the middle of the plate and parallel to the anteroposteror axis. Sulcus as long as two thirds of the cell length.