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Heliozoea: Centrohelida

 Acanthocystis turfacea
Carter, 1863

Acanthocystis turfacea Genus: Free-living; skeleton with or without coat; cuirass made of scales and of the basal part of the spicules; coat indistinguishable (Illustrated Guide, 1985). Siliceous scales arranged tangentially and radiating siliceous spines with pointed or bifurcated ends; (Kudo, 1966).
Species: Body contains zoochlorellae; long & short glassy spicules (How to know the protozoa, 1979).

Acanthocystis turfacea Carter, cell body 55 μm in diam., axopodia up to 60 μm long, siliceous spines with bifurcated ends 9-25 μm long, x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Acanthocystis turfacea Acanthocystis turfacea
Cell body 62 μm in diam., axopodia up to μm long, siliceous spines with bifurcated ends 10-37 μm long, x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea
Cell body 76 μm in diam., axopodia up to μm long, siliceous spines with bifurcated ends 10-40 μm long, x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea

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