Leucocryptos marina (Braarud) Butcher, 1967

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Leucocryptos marina

A = A living cell; B = Cell in Lugol (arrows=extrusomes); C = Cell with flagella (A=BF, B=DIC, C=SEM)

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Leucocryptos marina
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Caption
A = A living cell; B = Cell in Lugol (arrows=extrusomes); C = Cell with flagella (A=BF, B=DIC, C=SEM)
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
H
Morphology
Rigid cell with asymetrical droplet shape. Two rows of large extrusomes. Two approximately equal flagella. Swiming-pattern
Other remarks
Feeds on nanoplankton (Vørs 1992c)
Distribution: Widely
Life form
Solitary
Size
length 7-30 µm, width 3-10 µm
Literature
Vørs, N. 1992a. Heterotrofe protister (ekskl. dinoflagellater, loricabærende choanoflagellater og ciliater). In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande. Havforskning fra Miljøstyrelsen, Copenhagen, p. 195-250.
Vørs, N. 1992b. Heterotrophic amoebae, flagellates and heliozoa from the Tvärminne area, Gulf of Finland, in 1988-1990. Ophelia. 36: 1-109.
V&oslash,rs, N. 1992c. Ultrastructure and autecology of the marine, heterotrophic flagellate Leucocryptos marina (Braarud) Butcher 1967 (Katablephariaceae/Kathablepharidae), with a discussion of the genera Leucocryptos and Katablepharis/Kathablepharis. Europ. J. Protistol. 28: 369-389.

Biovolumes

Species Leucocryptos marina
Author (Braarud) Butcher 1967
Division INCERTAE SEDIS
Trophy HT
Geometric shape cone + half sphere
Formula p/12*d^2*(h+d/2)
Size class 1 2 3
Unit cell cell cell
Size range 4-5x7-10 5-6x10-14 6-8x15-21
Height(h), µm 8.5 12.0 18.0
Diameter(d1), µm 4.5 5.5 7.0
No. of cells/counting unit 1 1 1
Calculated volume, µm3 57 117 276
Calculated Carbon pg/counting unit 10 19 42

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