Dactyliosolen fragilissimus (Bergon) Hasle 1996

Two cells (arrow=process) (BF)

Synonym(s): Rhizosolenia fragilissima Bergon 1903

Life-form: Solitary or united in loose chains

Size: Diameter = 8-70 µm, Pervalvar axis = 42-300 µm

Resting spore:


Distinctive features: Small process, valve structure too delicate to be resolved with LM

Similar species:

Distribution: Widely

Cupp, E. E. 1943. Marine Plankton Diatoms of the West Coast of North America. Bulletin of the Scripps Inst. Oceanogr. of the University of California. 5: 1-237.

Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme Verlag, Stuttgart. 186 pp.

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.

Sundström, B. G.1986. The marine genus Rhizosolenia.Doctoral Dissertation, Lund University, Lund, Sweden. 117 pp.

  Copyright © 1996-2006, Mats Kuylenstierna & Bengt Karlson All rights reserved.
Last modified on 15 September, 2006

Swedish Meteorological and Hydrological Institute


Department of Marine Ecology, Göteborg University, Sweden