A = A living cell in ventral view; B = A living cell at two focal planes; C = A cell in dorsal view at different focal planes (arrowhead=stria, arrow=nucleus). (DIC)
Life-form: Solitary
Size: length 18-43 µm, width 10-22 µm.
Resting spore:
Note: Many different forms. It was common in Gullmarsfjorden in spring
Distinctive features: Surface with striation, nucleus anterior and sulcus sigmoid
Similar species:
Distribution:
Literature:
Hansen, G. & Larsen, J. 1992. Dinoflagellater i danske farvande.
In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande.
Havforskning fra Miljøstyrelsen, Copenhagen, p. 45-155.
Hulburt, E. M. 1957. The taxonomy of unarmored Dinophyceae of shallow embayments on Cape Cod, Massachusetts. Biological Bulletin. 112: 196-219.