Stellarima stellaris (Roper) Hasle et Sims 1986

A = Single cell at different focal planes (BF); B = Central part of valve (DIC). arrowheads=central labiate processes

Synonym(s): Coscinodiscus stellaris Roper 1858

Life-form: Solitary

Size: Diameter = 40-115 µm

Resting spore:


Distinctive features: Central labiate processes and with many small areolae per sector

Similar species: S. microtrias


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.

Hasle, G. & Sims, P. A. 1986b. The diatom genera Stellarima and Symbolophora with comments on the genus Actinoptychus. British Phycological Journal., 21: 97-114.

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.

  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