Proterospongia dybsoeensis (GrÜntved, 1956) Loeblich III, 1967. The cells are ovoid, the longitudinal axis is 5.5-8.0 microns, there is one collar and one flagellum, which is 3-4 times longer than the cell body. In the basal part of the cell one (or two) vacuole(s). The nucleus of the cell could not be observed in the preserved material. In a number of 3-10 the cells are enveloped in a gelatinous hyaline substance, in the colonies thus formed they are arranged side by side in one row, which forms the longitudinal axis of the colony, consequently the longitudinal axis of the cell is approximately at right angles to that of the colony, otherwise the orientation is irregular, as the apical ends of the cells may point in different directions. This is one of about 700 species of heterotrophic flagellates reported from marine environments. This information has been compiled by Won Je Lee (then of the School of Biological Sciences, University of Sydney, A Image copyright: Won-Je Lee, image used under license to MBL (micro*scope).
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From the collection
Heterotrophic flagellates of marine habitats
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