Thalassiosira guillardii Hasle, 1978

View image in original size

Thalassiosira guillardii

A = Valve (TEM); B&C = Valve in Naphrax (arrow=labiate process, arrowheads=strutted processes, B=DIC, C=PH)

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Thalassiosira guillardii
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Caption
A = Valve (TEM); B&C = Valve in Naphrax (arrow=labiate process, arrowheads=strutted processes, B=DIC, C=PH)
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Synonym names

  • Conticribra guillardii

Description

IDs in other systems
Tropic type
A
Morphology
One marginal ring of strutted processes, one labiate process taking the place of a strutted process
Other remarks
Found in inland as well as marine and brackish coastal waters
Life form
Solitary
Size
Diameter = 4-14 µm
Literature
Hasle, G. R. 1978b. Some freshwater and brackish water species of the diatom genus Thalassiosira Cleve. Phycologia., 17: 263-292.
Hasle, G. R. & Syvertsen, E. E. 1996. Marine diatoms. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 5-385.

External links

Biovolumes

Species Thalassiosira guillardii
Author Hasle 1978
Division CHRYSOPHYTA (HETEROKONTOPHYTA)
Class Diatomophyceae (Bacillariophyceae)
Order EUPODISCALES (BIDDULPHIALES, CENTRALES)
Trophy AU
Geometric shape cylinder
Formula p/4*d^2*h
Size class 1
Unit cell
Size range 10-15
Height(h), µm 8.0
Diameter(d1), µm 12.5
No. of cells/counting unit 1
Calculated volume, µm3 981
Comment 6
Calculated Carbon pg/counting unit 77

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