A = Vegetative cells; B = Cysts. (DIC)
Life-form: Solitary
Size: Length 23-37 µm, width 19-30 µm; Cyst size length 25-48 µm, width 25-44 µm.
Resting spore: +
Note: The thecate cell resemble several other species of Scrippsiella (Lewis 1991)
Distinctive features: Apical process and collar, round hypotheca. 1'-plate is very narrow, sulcal plate pattern. Calcareous cyst.
Similar species:
Distribution: Worldwide
Literature:
Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her
Majesty's Stationery Office, London. 303 pp.
Lewis, J. 1991. Cyst-theca relationships in Scrippsiella ( Dinophyceae) and related orthoperidinoid genera. Botanica Marina., 34: 91-106.
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.
Wall, D. & Dale, B. 1968a. Quaternary calcareous dinoflagellates (Calciodinellideae) and their natural affinities. J. Paleont. 42: 1395-1408.