A = Ventral view; B = Profile; C = First apical plate; D = Girdle, ventral view; E = Hypotheca with ornamentation; E = Epitheca, dorsal view. (All DIC)
Life-form: Solitary
Size: length 40-72 µm, width 60-72 µm.
Resting spore: +
Note:
Distinctive features: The shape of the cell and the ornamention of theca
Similar species: Protoperidinium subinerme
Distribution: Atlantic, Skagerrak, Kattegat
Literature:
Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her
Majesty's Stationery Office, London. 303 pp.
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.
Paulsen, O. 1907. The Peridinales of the Danish waters. Medd. Komm. for Havundersög. Ser. Plankton 1(5): 1-26