Octactis octonaria

  • Figure 1. LM of live cell.

  • Fig. 2. LM of live cell from side view.

Kingdom
Chromista
Phylum
Ochrophyta
Class
Dictyochophyceae
Genus
Octactis
Species
octonaria
Description

Cells have one main flagellum, many yellow-brown chloroplasts and a regular silica skeleton with 5-11 spines, predominant form has octagonal shape and 8 spines. 

Morphometrics

Dimensions of skeletons are ca 27 µm without spines

References

Throndsen J,  Heimdal BR,1993. A guide to naked flagellates and coccolithophorids. In Marine phytoplankton. Ed. Tomas C. Academic Press. pp 263

Arctic Regions
Arctic Archipelago
Arctic Basin
Pacific Arctic
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