Oblea rotunda (Lebour) Balech ex Sournia, 1973

View image in original size

Oblea rotunda

Epitheca (SEM)

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Oblea rotunda
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Caption
Epitheca (SEM)
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
H
Morphology
Plate formula: Po, 3', 1a, 6'', 4c, 5''', 2'''', 5s. First apical plate is of meta-type
Other remarks

Distribution: Widely
Life form
Solitary
Size
Diameter = 22-34 µm
Resting spore
+
Literature
Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her Majesty’s Stationery Office, London. 303 pp.
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.
Lebour, M. V. 1922. Plymouth peridinians. I. Diplopsalis lenticula and its relatives. J. mar. biol. Ass. U.K. 12: 795-812.
Lewis, J. 1990. The cyst-theca relationship of Oblea rotunda (Diplopsalidaceae, Dinophyceae). British phycological Journal. 25: 339-351.

Biovolumes

Species Oblea rotunda
Division DINOPHYTA (PYRROPHYTA)
Class Dinophyceae
Order PERIDINIALES
SFLAG CPX
Trophy HT
Geometric shape sphere-10%
Formula p/6*d^3*0.9
Size class 4 1 2 3 5
Unit cell cell cell cell cell
Size range 30 22-28 28-33 34-36 36-42
Diameter(d1), µm 30.0 25.0 30.0 35.0 39.0
No. of cells/counting unit 1 1 1 1 1
Calculated volume, µm3 12 717 7 359 12 717 20 194 27 939
Calculated Carbon pg/counting unit 1 543 923 1 543 2 383 3 232

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

  • 2019-01-03 13:48:52 Helena_Hoglander_PEG - Updated media metadata for Oblea rotunda_2.jpg
  • 2018-12-07 14:07:53 Helena_Hoglander_PEG - Updated media metadata for Oblea rotunda_2.jpg
  • 2018-12-07 14:04:57 Helena_Hoglander_PEG - Added media: Oblea rotunda_2.jpg