Scrippsiella trochoidea (Stein) Loeblich III, 1976

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Scrippsiella trochoidea

Cyst (SEM)

Photographer/artist Mats Kuylenstierna

Additional image information

Scrippsiella trochoidea
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Copyright stamp
Maria Kuylenstierna
Dept. of Marine botany, University of Gothenburg
Contributing organisation
University of Gothenburg
Bengt Karlson
Cyst (SEM)
Geographic area
Skagerrak - Swedish coast
Creative Commons Attribution-NoDerivs 3.0 Unported
SEM Scanning Electron Microscopy
Not described
Sputter coated
Image galleries
Kuylenstierna, Skagerrak-Kattegat, Dinoflagellate cysts


IDs in other systems
Apical process and collar, round hypotheca. 1'-plate is very narrow, sulcal plate pattern. Calcareous cyst.
Other remarks
The thecate cell resemble several other species of Scrippsiella (Lewis 1991)
Distribution: Worldwide
Life form
Length 23-37 µm, width 19-30 µm, Cyst size length 25-48 µm, width 25-44 µm
Resting spore
Culture collections
The Scandinavian Culture Collection of Algae and Protozoa at the University of Copenhagen
More info at
Strains: K-1111, K-1110
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.


Species Scrippsiella trochoidea
Author (Stein) Loeblich III 1976
Class Dinophyceae
Trophy AU
Geometric shape cone + half sphere
Formula p/12*d^2*(h+d/2)
Size class 1 2 3
Unit cell cell cell
Size range 15x17 25x25 28x30
Height(h), µm 17.4 25.0 30.0
Diameter(d1), µm 14.5 25.0 28.0
No. of cells/counting unit 1 1 1
Calculated volume, µm3 1 356 6 133 9 026
Calculated Carbon pg/counting unit 189 778 1 119


Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine, I. and Niemkiewicz, E. 2006 Biovolumes and size-classes of phytoplankton in the Baltic Sea HELCOM Balt.Sea Environ. Proc. No. 106, 144pp. (PDF),

Change History

  • 2012-08-29 14:47:41 Ann-Turi Skjevik - Updated media metadata for Scrippsiella trochoidea_6.JPG
  • 2012-08-29 14:47:31 Ann-Turi Skjevik - Added media: Scrippsiella trochoidea_6.JPG
  • 2012-08-29 14:47:19 Ann-Turi Skjevik - Updated media metadata for Scrippsiella trochoidea_5.JPG
  • 2012-08-29 14:47:07 Ann-Turi Skjevik - Added media: Scrippsiella trochoidea_5.JPG
  • 2012-08-29 14:46:51 Ann-Turi Skjevik - Updated media metadata for Scrippsiella trochoidea_4.JPG
  • 2012-08-29 14:46:40 Ann-Turi Skjevik - Added media: Scrippsiella trochoidea_4.JPG
  • 2012-08-29 14:46:26 Ann-Turi Skjevik - Updated media metadata for Scrippsiella trochoidea_3.JPG
  • 2012-08-29 14:46:06 Ann-Turi Skjevik - Added media: Scrippsiella trochoidea_3.JPG
  • 2011-09-26 18:36:43 Bengt Karlson - Updated media metadata for Scrippsiella trochoidea_2.gif
  • 2011-09-26 18:35:46 Bengt Karlson - Added media: Scrippsiella trochoidea_2.gif
  • 2011-09-26 14:19:03 Bengt Karlson - Updated media metadata for Scrippsiella trochoidea_1.gif