Fig. 1. LM of live cell.
Phalacroma rotundatum
Kingdom
Class
Genus
Species
Description
Cells have distinct walls (theca) with lists delimiting a subapical cingulum and wings delimiting the sulcus. The wings and lists are narrow and the epitheca protrudes above the apical cingulum list. The theca has distinct pores. Chloroplasts are lacking and cell content is colorless and may appear pinkish.
Morphometrics
Cell length 35-60 µm.
References
Throndsen, J., Hasle, G.R. and Tangen, K., 2007. Phytoplankton of Norwegian coastal waters. Almater Forlag AS. 341 pp.
Arctic Regions