Alexandrium pseudogonyaulax (Biecheler) Horiguchi ex Kita et Fukuyo 1992

A = A living cell; B&C = 1'-plate(with pore) and 6''-plate; D =Part of girdle with a characteristic notch (=arrow) and pore of 1' (=arrowhead); E = Nucleus. (A,B,D,E=DIC, C=PC)

Synonym(s): Goniodoma pseudogoniaulax Biecheler 1952

Life-form: Solitary

Size: Diameter = 40-60 µm.

Resting spore: +

Note: Toxic (Steidinger & Tangen 1996)

Distinctive features: Characteristically displaced 1', sa and sp

Similar species: A. satoanum

Distribution: East Atlantic, Italy, Japan

Biecheler, B. 1952. Recherches sur les peridiniens. Bulletin Biologique de la France et de la Belgique (Suppl.). 36: 1-149.

Montresor, M., Zingone, A. & Marino, D. 1993. The paratabulate resting cyst of Alexandrium pseudogonyaulax (Dinophyceae). In: Smayda, T.J. and Shimizu, Y. Toxic Phytoplankton Blooms in the Sea. Elsevier Science Publishers B.V. p. 159-164

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.

Yuki, K., Kobayashi, S. & Fukuyo, Y. 1996. Thecate and cyst forms of Alexandrium pseudogonyaulax (Dinophyceae) from Japanese coastal waters. Bull. Plankton Soc. Japan. 43: 46-50.

  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