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Dictyocha speculum



caption Dictyocha speculum
Syn: Distephanus speculum, one stage (left) with silicified skeleton (winter) and one stage (right) naked and flagellate (single) with several nuclei (summer?). Figure from Billard, C. & Chrétiennot-Dinet, M.-J. (1997) Espèces potentiellement toxiques. In: Efflorescences toxiques des eaux côtières françaises: Ecologie, Ecophysiologie, Toxicologie. (B. Berland & P. Lassus eds), Repères Océans n° 13, Editions IFREMER, pp. 91-101.
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author Chantal Billard
copyright University of Caen Basse-Normandie, France
image sets   English Channel - Normandy - Phytoplankton - Images from Chantal Billard (University of Caen Basse-Normandie)