Species:
Cell body slenderly trumpet shaped, 500-1000 μm long when fully extended;
macronucleus moniliform (10-20 macronuclear beads);
cortical granules colourless; without symbiotic green algae
(Foissner and Wölfl, 1994).
Stentor sp.,
cell body 200 μm long, 55 μm wide, L/W=3.6,
moniliform nuclei 11 μm in diam.,
x 200, x 400, x 640, Naka-gawa Kahan koen (riverside park at Naka river), Kuroiso city, Tochigi Pref., Japan, January 3, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640