Asteroplanus karianus (Grunow) Gardner et Crawford 1997

Chain (BF) and chloroplasts stained with primulin in UV-excitation

Synonym(s): Asterionella kariana Grunow 1880 , Asterionellopsis kariana (Grunow) Round 1990

Life-form: Cells united in chains

Size: Apical axis 16-68 µm

Resting spore:

Note: The scutal flap is not seen in the pictures.

Distinctive features: Cellform and scutal flaps

Similar species: Asterionellopsis socialis


Cleve, P. & Grunow, A. 1880. Beiträge zur Kenntniss der arctischen Diatomeen. Kongl. Svensk. Vet.-Akad. Handl. 17(2): 1-121.

Crawford, R. M. & Gardner, C. 1997. The transfer of Asterionellopsis kariana to the new genus Asteroplanus (Bacillariophyceae), with reference to the fine structure. Nova Hedwiga. 65: 47-57.

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.

  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