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Heterotrichea: Heterotrichida: Stentoridae

Stentor polymorphus
(Müller 1773) Ehrenberg, 1830

Stentor Species: Colorless; with symbiotic Chlorella; 1-2 mm long when extended; macronucleus beaded; anterior end expanded (Kudo, 1966). Elongate, may attain 1-2 mm; peristome wide; macronucleus moniliform; no somatic bristles; colourless but zoochlorellae may be present (Carey, 1992).
Cell body slenderly trumpet shaped, up to 2 mm long when fully extended; macronucleus moniliform (more than 10 connected beads); cortical granules colourless; with symbiotic green algae (Foissner and Wölfl, 1994).

Stentor sp., stock Ssos-1, cell body 410 μm long, 100 μm wide, x 100, x 200, x 400, x 640, Shiba river, near Owada Park, Saitama city, Saitama Pref., Japan, April 3, 2005 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Stentor Stentor Stentor Stentor
Cell body 310 μm long, peristome 90 μm wide, x 640
Stentor Stentor Stentor Stentor Stentor

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