Roperia tesselata (Roper) Grunow ex Pelletan 1889

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).

Synonym(s): Eupodiscus tesselatus Roper 1858

Life-form: Solitary

Size: Diameter = 18 - 97 µm

Resting spore:

Note: Lee & Lee (1990) reported two distinct forms of this species

Distinctive features: Warmwaterform: Marginal ring of prominent exterior of labiate processes. Pseudonodule distinct. Areolation.

Similar species:

Distribution: Widely

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.

  Copyright © 1996-2006, Mats Kuylenstierna & Bengt Karlson All rights reserved.
Last modified on 15 September, 2006

Swedish Meteorological and Hydrological Institute

Department of Marine Ecology, Göteborg University, Sweden