image_list image_listE

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, L/W=, x 640, No.4, Azami-ike (pond), Norikura highland, Azumi, Matsumoto city, Nagano Pref., November 4, 2007 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Acanthocystis Acanthocystis Acanthocystis Acanthocystis Acanthocystis

Images of collecting locality: No.4, Azami-ike (pond), Norikura highland, Azumi, Matsumoto city, Nagano Pref., November 4, 2007 by Y. Tsukii


Please click on images for viewing enlarged.
Copyright Protist Information Server