Spatulodinium pseudonoctiluca (Pouchet) Cachon et Cachon ex Loeblich et Loeblich 1969

A = Whole cell with its long tentacle; B&C = Cell body with projecting lip (=arrowhead) and cingulum (=arrow); D&E = Gymnodinioid stages. (DIC)


Life-form: Solitary

Size: Mature stage: length 100-163 µm, width 89-120 µm; Gymnodinioid stage length 110-200 µm.

Resting spore:


Distinctive features: Very small epicone, mature stage with a long unstriated tentacle

Similar species:

Distribution: Atlantic, Skagerrak, Mediterranean

Cachon, J. & Cachon, M. 1967. Contribution a l'etude des Noctilucidae Saville-Kent. I. Les Kofoidininae Cachon, J. et M. evolution, morphologique et systematique. Protistologica. 3: 427-444.

Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her Majesty's Stationery Office, London. 303 pp.

Steidinger, K. A. & Tangen, K. 1996. Dinoflagellates. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 387-584.

  Copyright © 1996-2006, Mats Kuylenstierna & Bengt Karlson All rights reserved.
Last modified on 15 September, 2006

Swedish Meteorological and Hydrological Institute

Department of Marine Ecology, Göteborg University, Sweden