Gyrodinium dominans Hulburt, 1957

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Gyrodinium dominans

A = A living cell in ventral view; B = A living cell at two focal planes; C = A cell in dorsal view at different focal planes (arrowhead=stria, arrow=nucleus). (DIC)

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Gyrodinium dominans
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Caption
A = A living cell in ventral view; B = A living cell at two focal planes; C = A cell in dorsal view at different focal planes (arrowhead=stria, arrow=nucleus). (DIC)
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
H
Morphology
Surface with striation, nucleus anterior and sulcus sigmoid
Other remarks
Many different forms. It was common in Gullmarsfjorden in spring
Life form
Solitary
Size
length 18-43 µm, width 10-22 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.
Hulburt, E. M. 1957. The taxonomy of unarmored Dinophyceae of shallow embayments on Cape Cod, Massachusetts. Biological Bulletin. 112: 196-219.

Biovolumes

Species Gyrodinium dominans
Author Hulburt 1957
Division DINOPHYTA (PYRROPHYTA)
Class Dinophyceae
Order GYMNODINIALES
Trophy HT
Geometric shape flattened ellipsoid
Formula p/6*l*d1*d2
Size class 1
Unit cell
Size range 40
Length(l1), µm 40.0
Diameter(d1), µm 25.0
Diameter(d2), µm 16.8
No. of cells/counting unit 1
Calculated volume, µm3 8 766
Calculated Carbon pg/counting unit 1 088

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