A = Chain (DIC); B = Chain (PC); C = Cells at two focal planes (arrowhead=wing-like extension) (DIC)
Life-form: Solitary or chain-forming
Size: Diameter = 7-56 µm pervalvar axis = 55-120 µm
Resting spore:
Note:
Distinctive features: Small wing-like extensions
Similar species: Cerataulina bicornis
Distribution: Worldwide
Literature:
Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der
Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme
Verlag, Stuttgart. 186 pp.
Hasle, G. & Syvertsen, E. 1980. The diatoms genus Cerataulina: Morphology and taxonomy. Bacillaria. 3: 79-113.
Hasle, G. R. & Syvertsen, E. E. 1996. Marine diatoms. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 5-385.
Hendey, N. I. 1964. An introductory account of the smaller algae of British coastal waters. Part 5: Bacillariophyceae (Diatoms). HSMO, London. 317 pp.