Plagioselmis prolonga Butcher ex Novarino, Lucas et Morrall 1994

A&B = Living cells (BF), arrow=ejectosomes; C = Cells in Lugol (DIC)

SEM pictures


Life-form: Solitary

Size: length 6-10 µm, width 4-5 µm

Resting spore:

Note: This is one of the commonest cryptomonads in coastal waters in the Skagerrak

Distinctive features: Ventral furrow and hexagonal plates with scales

Similar species: Plagioselmis nannoplanctica

Distribution: Worldwide ?

Butcher, R. 1967. An introductory account of the smaller algae of British coastal waters. Part IV: Cryptophyceae. Ministry of Agriculture, Fisheries and Food; Fishery Investigations Series IV, Her Majesty's Stationery Office, London. 54 pp.

Hill, D. R. A. 1992a. Plagioselmis prolonga Butcher (Cryptophyceae). Baltic Sea Identification Sheet No. 8. Ann. Bot. Fennici. 29: 165-166.

Novarino, G., Lucas, I.A.N. & Morrall, S. 1994. Observations on the genus Plagioselmis (Cryptophyceae). Cryptogamie, Algol. 15: 87-107.

  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