Drawing

Опис:

Stephanoeca campanula (Kent, 1880) Boucaud-Camou, 1967. Lorica goblet or bell shaped, scarcely longer than broad, the basal region narrower, conically pointed, the anterior two-thirds expanding abruptly and in a marked manner in comparison with the first-named area, the anterior border widest, but not everted, pedicel equling the length of the lorica, contained protoplast symmetrically ovate, occupying and projecting slightly beyond the conical basal area, the fully expanded collar enclosed entirely within the wider anterior area of the cavity of the lorica, the flagellum extending for about half its length beyond its anterior border, two contractile vacuoles, posteriorly located, nucleus spherical, subcentral. Length of lorica 32 microns