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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 or A. turfacea ?, cell body μm long, μm wide, L/W=, x 640, No.1, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, November 15, 2008, by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Acanthocystis Acanthocystis Acanthocystis

Images of collecting locality: No.1, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, November 15, 2008, by Y. Tsukii

Acanthocystis penardi or A. turfacea ?, cell body μm long, μm wide, L/W=, x 640, No.7, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, November 15, 2008, by Y. Tsukii
Acanthocystis Acanthocystis Acanthocystis Acanthocystis

Images of collecting locality: No.7, Kannon-numa Forest Park (pond), Shimogo town, Fukushima Pref., Japan, November 15, 2008, by Y. Tsukii


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