Species:
Cell body broadly trumpet shaped, up to 700 μm long when fully extended;
macronucleus consists of two (rarely one, three, four or five) isolated beads;
cortical granules colourless; with symbiotic green algae
(Foissner and Wölfl, 1994).
Stentor fuliginosus Forbes 1891, algal endosymbionts present,
cell body with endosymbiotic Chlorella, μm long,
x 100, Niigata Pref., Japan, May 2001, collected by N. Kinoshita, photo by Y. Tsukii
200 μm
400 μm
600 μm; x 100