Heterocapsa rotundata (Lohmann) Hansen 1995

A living cell (BF); arrowhead=pyrenoid


Synonym(s): Amphidinium rotundatum Lohmann 1908 , Katodinium rotundatum (Lohmann) Loeblich III 1965

Life-form: Solitary

Size: length 9-14 µm.

Resting spore:

Note: The cell readly rounds up

Distinctive features: Epicone longer and broader compared to the hypocone

Similar species: Heterocapsa minima

Distribution: Cosmopolitan

Hansen, G. 1989. Ultrastructure and morphogenesis of scales in Katodinium rotundatum (Lohmann) Loeblich (Dinophyceae). Phycologia., 28: 385-394.

Hansen, G. 1995. Analysis of the thecal plate pattern in the dinoflagellate Heterocapsa rotundata (Lohmann) comb. nov. (= Katodinium rotundatum (Lohmann) Loeblich). Phycologia., 34: 166-170.

Lohmann, H. 1908. Untersuchungen zur Feststellungen des vollständigen Gehaltes des Meeres an Plankton. Wissensch. Meeresuntersuchungen, Abt. Kiel, NF., 10: 131-370.

  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