Torodinium robustum Kofoid & Swezy, 1921

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Torodinium robustum

A = A living cell; B = A cell in Lugol (A&B=DIC); C = Cell in epifluorescence microscope

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Torodinium robustum
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Caption
A = A living cell; B = A cell in Lugol (A&B=DIC); C = Cell in epifluorescence microscope
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
A
Morphology
Epicone very long, cell body 3 times as long as broad, many brown chlroplasts
Life form
Solitary
Size
Length 36-75 µm, width 21-25 µm
Literature
Hansen, G. & Larsen, J. 1992. Dinoflagellater i danske farvande. In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande. Havforskning fra Miljøstyrelsen, Copenhagen, p. 45-155.
Kofoid, C. A. & Swezy, O. 1921. The free-living unarmored Dinoflagellata. Mem.Univ.California., 5: pp 562.

Biovolumes

Species Torodinium robustum
Author Kofoid & Swezy 1921
Division DINOPHYTA (PYRROPHYTA)
Class Dinophyceae
Order GYMNODINIALES
Trophy AU
Geometric shape flattened ellipsoid
Formula p/6*l*d1*d2
Size class 1 2 3 4 5 6 7
Unit cell cell cell cell cell cell cell
Size range 22x42 30x15 35x15 15x40 20x50 55x20 65x20
Length(l1), µm 42.0 30.0 35.0 40.0 50.0 55.0 65.0
Diameter(d1), µm 22.0 15.0 15.0 15.0 20.0 20.0 20.0
Diameter(d2), µm 10.0 10.0 10.0 10.0 10.0 10.0 10.0
No. of cells/counting unit 1 1 1 1 1 1 1
Calculated volume, µm3 4 836 2 355 2 748 3 140 5 233 5 757 6 803
Calculated Carbon pg/counting unit 623 317 366 415 670 733 858

Source

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),
PEG_BVOL.zip

Change History

  • 2021-10-01 15:06:43 Janina Kownacka - Updated media metadata for Torodinium robustum_2.jpg
  • 2021-10-01 15:06:07 Janina Kownacka - Added media: Torodinium robustum_2.jpg