world of amoeboid organisms


Choanocystis pelagica (Ostenfeld, 1904) Mikrjukov, 1994
Syn.: Acanthocystis pelagica Ostenfeld, 1904

Diagnosis: Cells are 25–40 µm in diameter with plate-scales and one type of spicules in the periplast. Spicules are about 7 µm long; the shaft is hollow, cylindrical, about 0.4 µm in diameter, slightly is curved towards the heart-shaped base-plate, 1.5–1.8 µm in diameter, and abruptly tapered towards the pointed apex; the base-plate is covered by numerous fine granules. Plate-scales are4.0–5.0 x 2.0–2.5 µm, with a well-developed medial constriction, up to 1.7–2.0 µm wide, patternless, surrounded by a thin curved marginal rim.

Ecology: Marine. Northern Sea, White Sea.

Recent posts


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From Zlatogursky, 2014 Choanocystis symna Zlatogursky, 2014 Diagnosis: Cell body ca. 6.7 µm in diameter. Axopodia three–five times longer than a cell diameter. Plate-scales dumbbell-shaped

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From Zlatogursky, 2014 Acanthocystis costata Zlatogursky, 2014 Diagnosis: Cell body ca 9.5 µm in diameter. Axopodia 2–3 times longer than cell diameter. Length of spine-scales

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