Diaphanoeca sphaerica Thomsen, 1982

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Diaphanoeca sphaerica

Lorica length: 24-35µm, Lorica width: 20µm Costae: 3 transverse, 7 longitudinal Distribution: Coastal, North Atlantic, Baltic Characteristic features: Lorica barrel-shaped with pointed posterior, cell located in the basal part of the lorica. May form colonies.

Photographer/artist Regina Hansen

Additional image information

Title
Diaphanoeca sphaerica
Photographer/artist
Regina Hansen
Institute
Leibniz-Institut für Ostseeforschung Warnemünde
Contributing organisation
HELCOM-PEG
Contributor
Regina Hansen
Caption
Lorica length: 24-35µm, Lorica width: 20µm Costae: 3 transverse, 7 longitudinal Distribution: Coastal, North Atlantic, Baltic Characteristic features: Lorica barrel-shaped with pointed posterior, cell located in the basal part of the lorica. May form colonies.
Geographic area
Baltic Sea - Mecklenburger Bight
License
Creative Commons Attribution-NoDerivs 3.0 Unported
Technique
Light microscopy
Preservation
Lugols iodine
Contrast enhancement
Phase contrast
Stain
No stain
Image galleries
HELCOM-PEG

Description

IDs in other systems
Tropic type
H

Biovolumes

Species Diaphanoeca sphaerica
Author Thomsen 1982
Division ZOOMASTIGOPHORA
Class Choanoflagellidea
Order CHOANOFLAGELLIDA
Trophy HT
Geometric shape rotational ellipsoid
Formula p/6*d^2*l
Size class 1
Unit cell
Size range 7-10
Length(l1), µm 8.5
Diameter(d1), µm 6.4
No. of cells/counting unit 1
Calculated volume, µm3 182
Calculated Carbon pg/counting unit 28.6

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

  • 2018-05-07 11:45:38 Regina Hansen - Updated media metadata for Diaphanoeca sphaerica_1.png
  • 2018-05-07 11:39:05 Regina Hansen - Added media: Diaphanoeca sphaerica_1.png