Tiarina fusus (Claparède et Lachmann, 1857)

A = Single specimen (BF); B = Several specimen in feeding positions (DIC)

Synonym(s): Coleps fusus Claparède et Lachmann 1857

Life-form: Solitary

Size: Length 85-135 µm

Resting spore:


Distinctive features: Body barrel-shaped and bearing uniquely calcified armored plates in longitudinal rows

Similar species:


Bergh, R. S. 1879-1880. Tiarina fusus (Clap., Lachm.). Vidensk. Meddel. fra den naturh. Foren. i Kjøbenhavn. 1879-80: 265-270.

Corliss, J. O. 1979. The ciliated protozoa. Pergamon Press, 455 pp.

Dale, T. & Dahl, E. 1987. A red tide in southern Norway caused by mass occurrence of the planktonic ciliate Tiarina fusus. Fauna. 40: 98-103.

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.

Kahl, A. 1930. Urtiere oder Protozoa I: Wimptiere oder Ciliata (Infusoria), 1. Allgemeiner Teil und Prostomata. In: F. Dahl (ed.), Die Tierwelt Deutschlands. Fischer, Jena, 18: 1-180

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Last modified on 15 September, 2006

Swedish Meteorological and Hydrological Institute


Department of Marine Ecology, Göteborg University, Sweden