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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 ?, cell body spherical, 34 μm in diam., spines 24 μm long, x 640, Iyari marsh, Omachi city, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Acanthocystis turfacea Acanthocystis turfacea

Images of collecting locality: Iyari marsh, Omachi city, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii


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