Corisphaera gracilis Kamptner 1937

A = A living cell with flagella and haptonema (=arrow), (arrowhead=stomatal coccolith) (DIC); B = Dry preparation of a coccolith case , (DIC); C = An eroded coccolith case (SEM)

Synonym(s): Helladosphaera gracilis (Kamptner) Norris 1985

Life-form: Solitary

Size: Diameter = 7-9,5 µm, zygolith = 1,4 X 1,0 µm

Resting spore:


Distinctive features:

Similar species: Helladosphaera cornifera

Distribution: Widely

Gaarder, K. 1962. Electron microscope studies on holococcolithophorids. Nytt Mag. Bot.10: 35-51.

Heimdal, B. & Gaarder, K. 1980. Coccolithophorids from the northern part of the eastern central Atlantic. I. Holococcolithophorids. "Meteor" Forsch.-Ergebnisse. 32: 1-14.

Kamptner, E. 1937. Neue und bemerkensverte Coccolithineen aus dem Mittelmeer. Archiv für Protistenkunde. 89: 279-316.

Kamptner, E. 1941. Die Coccolithineen der Südwestküste von Istrien. Annalen des Naturhistorischen Museums in Wien. 51: 54-149.

  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