Phalacroma rotundatum (Claparède et Lachmann) Kofoid et Michener 1911

A living cell (DIC)

Synonym(s): Dinophysis rotundata Claparède et Lachmann 1859

Life-form: Solitary

Size: Length 36-56 µm, width 40-45 µm.

Resting spore:

Note: This species is nonphotosynthetic. It can ingest ciliates (Hansen 1991)

Distinctive features:

Similar species: P. rudgei

Distribution: Worldwide

Dodge, J. D. 1982. Marine Dinoflagellates of the British Isles. Her Majesty's Stationery Office, London. 303 pp.

Hansen, P. J. 1991. Dinophysis - a planktonic dinoflagellate genus which can act both as prey and a predator of a ciliate. Mar. Ecol. Prog. Ser. 69: 201-204.

Hansen, G. & Larsen, J. 1992. Dinoflagellater i danske farvande. In: Thomsen, H. A. (ed.) Plankton i de indre danske farvande. Havforskning fra Miljøstyrelsen, Copenhagen, p. 45-155.

Steidinger K. A. & Tangen, K. 1996. Dinoflagellates. In: Tomas, C. R. (ed.) Identifying marine diatoms and dinoflagellates. Academic Press, Inc., San Diego, p. 387-584.

  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