Home / Dinophyceae /Photosynthetic / Glenodinium

Home button


Click on images for larger format

Name derivation:




Glenodinium  Ehrenberg  1836;  22 of 152 species descriptions are currently accepted taxonomically (Guiry and Guiry 20123)


Order Peridiniales;  Family Peridiniaceae

Synonym of G. cinctum (type species):  Sphaerodinium cinctum  Wolozyńska  1916.

Synonym of G. foliaceum:  Kryptoperidinium foliaceum  (F. Stein) Lindemann

The genus is likely polyphyletic (Lewis and Dodge 2011).



Ovoid unicells with delicate cellulose wall plates difficult to see with light microscopy (Lewis and Dodge 2011).  Several chloroplasts. Cinctum offset ~ 1 cinctum width and extends to pole of hypotheca (‘south pole’).


Similar genera:

Peridinium looks similar under the light microscope, but generally has heavier cellulose plates.



Global, freshwater and marine plankton.



Ehrenberg, C.G.  1836.  Zusätze zur Erkenntniss grosser organischer Ausbildung in den kleinsten thierischen Organismen.  Abhandlungen der Königlichen Akademie der Wissenschaften zu Berlin 1835: 150-181.

Guiry, M.D. and G.M. Guiry  2013.  AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.  http://www.algaebase.org; searched on 08 February 2013.

Lewis, J.M., and J.D. Dodge  2011.  Phylum Dinophyta (Dinoflagellates).  In:  John, D.M., B.A. Whitton and A.J. Brook (Eds.).  The Freshwater Algal Flora of the British Isles, 2nd edition.  Cambridge University Press (878 pp.).