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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 (or A. nichollsi Siemensma & Roijackers 1988 ?), cell body spherical 41 μm in diam., axopodia μm long, bifurcated siliceous spines, long type μm long, short type μm long, x 640
x 640, rice field, Higashi-sano (near Minami-kamishiro railway station), Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea
Cell body spherical 44 μm in diam., axopodia μm long, bifurcated siliceous spines, long type μm long, short type μm long, x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea
Cell body spherical 35 μm in diam., axopodia μm long, bifurcated siliceous spines, long type μm long, short type μm long, x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea

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