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 (polymorphus or roeseli ?),
cell body μm long,
macronucleus intermediate between moniliform and band form, bristles only at anterior region,
x 200, x 400, x 640, Japan, December 1998, by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640