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Heliozoea: Centrohelida

Acanthocystis penardi
Wailes 1925

Acanthocystis penardi 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 penardi Wailes 1925, cell body μm long, μm wide, x 640, Omine-numa (pond/marsh), Tsukiyono town, Gunma Pref., Japan, September 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Acanthocystis penardi Acanthocystis penardi Acanthocystis penardi Acanthocystis penardi
Acanthocystis penardi Acanthocystis penardi
Acanthocystis penardi Acanthocystis penardi Acanthocystis penardi Acanthocystis penardi


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