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Heliozoea: Centrohelida

Acanthocystis turfacea
Carter, 1863

Acanthocystis 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).
Other endosymbioses


Acanthocystis turfacea Carter, cell body spherical, 64 μm in diam., ciliceous spines with bifurcated ends, long spines 33 μm long, short spines 11 μm long, x 640, Oyomi marsh, Hakuba village, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea
Cell body spherical, μm in diam., spines μm long, x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea

Acanthocystis turfacea Carter, cell body spherical, 53 μm in diam., ciliceous spines with bifurcated ends, long spines 38 μm long, short spines 12 μm long, x 640, Oyomi marsh, Hakuba village, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea
Cell body spherical, μm in diam., spines μm long, x 640
Acanthocystis turfacea Acanthocystis turfacea

Images of collecting locality: Oyomi marsh, Hakuba village, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii


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