A = A living cell at three focal planes (BF); B = A living cell with mammilated surface, dorsal view; C = Lower focal planes with girdle and sulcus. (B&C=DIC)
Life-form: Solitary
Size: Length 85-129 µm, width 50-75 µm.
Resting spore:
Note:
Distinctive features: Mammilated surface and shape
Similar species: Gymnodinium achromaticum
Distribution:
Literature:
Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her
Majesty's Stationery Office, London. 303 pp.
Kofoid, C. A. & Swezy, O.1921. The free-living unarmored Dinoflagellata. Mem.Univ.California. 5: 1-564