Chaetoceros diadema (Ehrenberg) Gran 1897

A = Vegetative cells in chain (BF); B = Resting spores (BF). A&B=Living cells

Synonym(s): Syndendrium diadema Ehrenberg 1845 , Chaetoceros subsecundus (Grunow) Hustedt 1930

Life-form: Cells united in chains

Size: Diameter = 8 - 50 µm

Resting spore: +


Distinctive features: One chloroplast, base of setae short, resting spores.

Similar species: Chaetoceros constrictus

Distribution: Cosmopolitan in colder seas.

Jensen, K. G. & Moestrup, Ø. 1998. The genus Chaetoceros (Bacillariophyceae) in inner Danish coastal waters. Opera Botanica. 133: 1-68.

Rines, J. E. B. & Hargraves, P. E. 1988. The Chaetoceros Ehrenberg (Bacillariophyceae) flora of Narragansett Bay, Rhode Island, USA. Bibliotheca Phycologica 79: 1-196

Sundström, B. 1973. Chaetoceros arter i Öresund. MSc. Thesis Univ. of Lund. 77 pp.

  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