Genus (Linnaeus, 1858), emend King & Jahn, 1948: Pseudopods ridged;
multinucleate (Illustrated Guide, 1985).
Species:
Chaos sp. ?,
cell body locomotive form about 500 μm long, 60 μm wide,
nuclei ellipsoidal in shape, 18 μm long, 13 μm wide,
x 100, x 200, x 400, x 640, Hasu-ike (pond), Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 19, 2005 by Y. Tsukii
100 μm
200 μm
300 μm; x 200 :
50 μm
100 μm
150 μm; x 400
x 400
x 640