Roperia tesselata (Roper) Grunow in Van Heurck, 1881

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Roperia tesselata

A&B = A living cell with pseudonodule (A, arrow) and the exterior of labiate processes (B, arrowheads); C&D = Cleaned valve. A&B (DIC), C (BF) and D (PC).

Photographer/artist Mats Kuylenstierna

Additional image information

Title
Roperia tesselata
Photographer/artist
Mats Kuylenstierna
Copyright holder
Maria Kuylenstierna
Institute
University of Gothenburg, Marine botany
Contributor
Bengt Karlson
Caption
A&B = A living cell with pseudonodule (A, arrow) and the exterior of labiate processes (B, arrowheads); C&D = Cleaned valve. A&B (DIC), C (BF) and D (PC).
Image galleries
Kuylenstierna, Skagerrak-Kattegat

Description

IDs in other systems
Tropic type
A
Morphology
Warmwaterform: Marginal ring of prominent exterior of labiate processes. Pseudonodule distinct. Areolation.
Other remarks
Lee & Lee (1990) reported two distinct forms of this species
Distribution: Widely
Life form
Solitary
Size
Diameter = 18 - 97 µm
Literature
Drebes, G. 1974. Marines Phytoplankton, Eine Auswahl der Helgoländer Planktonalgen (Diatomeen, Peridineen). Georg Thieme Verlag, Stuttgart. 186 pp.
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.
Hendey, N. I. 1964. An introductory account of the smaller algae of British coastal waters. Part 5: Bacillariophyceae (Diatoms). HSMO, London. 317 pp.
Lee, J. H. & Lee, J. Y. 1990. A light and electron microscopy study on the marine diatom Roperia tesselata (Roper) Grunow. Diatom Research. 5: 325-335.

Biovolumes

Species Roperia tesselata
Author Grunow ex Pelletan 1889
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 60x30
Height(h), µm 30.0
Diameter(d1), µm 60.0
No. of cells/counting unit 1
Calculated volume, µm3 84 780
Calculated Carbon pg/counting unit 2 859

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