image_list image_listE

Heliozoea: Centrohelida

 Acanthocystis turfacea
Carter, 1863

Acanthocystis turfacea 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).

Acanthocystis turfacea Carter (or A. nichollsi Siemensma & Roijackers 1988 ?), cell body 65 μm in diam., dichotomous spines up to 35 μm long, x 200, x 400, Sakitama-kofun park (Sakitama tumuli park), Gyoda city, Saitama Pref., Japan, October 17, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Acanthocystis turfacea Acanthocystis turfacea
Cell body 80 μm in diam., dichotomous spines up to 50 μm long, x 400
Acanthocystis turfacea Acanthocystis turfacea Acanthocystis turfacea
Cell body 80 μm in diam., dichotomous spines up to 50 μm long, x 640
Acanthocystis turfacea

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