A&B = A living specimen (arrows=annuli); C = Cyst (BF)
Life-form: Solitary
Size: Length 50-61 µm, oral diameter 44-50 µm
Resting spore: +
Note:
Distinctive features: Lorica ovoid with pointed aboral end, collar with 2-5 annuli
Similar species: Metacylis mediterranea
Distribution:
Literature:
Cleve, P. T.1902. The plankton of the North sea and the Skagerak in
1900. Kongl. Svensk. Vet.-Akad. Handl. 35(7): 1-49.
Marshall, S. M. 1969. Protozoa, Tintinnida, zooplankton sheet 120. Conseil International pour l'exploration de la mer.,