Description of Chrysostephanosphaera
(
anglais
)
fourni par BioPedia
Usually colonial, with 2-32 non-motile naked cells arranged in a ring (sometimes more irregularly) within the periphery of a common mucilage; colony disc-shaped, flattened, the mucilage containing numerous minute globular bodies reported to be symbiotic bacteria but now thought to be inorganic in nature and produced endogenously; cells usually with fine, straight, granular rhizopodia projecting from distal pole; chloroplasts 1 or 4; eyespot lacking, contractile vacuoles 1-2; reproduction normally by fission; a uniflagellate motile stage and stomatocysts rarely observed; phagocytosis of bacteria reported for C. globulifera; 2 other species rarely recorded (one grows in hyalocytes of Sphagnum.
