A living cell (arrowhead=one of the four antapical spines, arrow=eyespot) (DIC)
Life-form: Solitary
Size: Length 23-30 µm, width 20-25 µm.
Resting spore:
Note: Wide range of morphological variation. See Horiguchi & Pienaar (1991) and Steidinger & Tangen (1996) for taxonomical discussions
Distinctive features: Five cingular, 2a and 1a plates
Similar species: Peridinium sociale Scrippsiella gregaria
Distribution: Widely
Literature:
Horiguchi, T. & Pienaar, R. N. 1991. Ultrastructure of a marine
dinoflagellate, Peridinium quinquecorneAbé
(Peridiniales) from South Africa with particular reference to its
chrysophyte endosymbiont. Botanica Marina. 34: 123-131.
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.