Cells and frustules in culture (DIC) and two frustules (arrowhead=ocellulus) (SEM)
Life-form: Solitary or in short chains
Size: Diameter = 2,5 µm, Pervalvar axis 3-10 µm
Note: Isolated from a raw culture from Gullmarsfjorden
Similar species: Extubocellulus cribriger
Hasle, G., von Stosch, H.A. & Syvertsen. E. 1983b. Cymatosiraceae, a new diatom family. Bacillaria. 6: 9-156.