image_list image_listE

Heterotrichea: Heterotrichida: Stentoridae

Stentor polymorphus
(Müller 1773) Ehrenberg, 1830

Stentor polymorphus 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 polymorphus (Müller) Ehrenberg, a dividing cell, cell body μm long, μm wide, L/W=, x 640, No. 6, Miyatoko marsh, Minami-Aizu town, Fukushima Pref., Japan, June 15, 2008 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 polymorphus Stentor polymorphus Stentor polymorphus Stentor polymorphus Stentor polymorphus Stentor polymorphus Stentor polymorphus Stentor polymorphus Stentor polymorphus Stentor polymorphus

Images of collecting locality: No. 6, Miyatoko marsh, Minami-Aizu town, Fukushima Pref., Japan, June 15, 2008 by Y. Tsukii


Please click on images for viewing enlarged.
Copyright Protist Information Server