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Heterotrichea: Heterotrichida: Stentoridae

 Stentor igneus
Ehrenberg

Stentor igneus Genus: When extended, trumpet-shaped or cylindrical; highly contractile; some with mucilaginous lorica; conspicuous peristomal field frontal; contractile vacuole anterior-left; fresh water (Kudo, 1966).
Species: Rose-colored or colorless; 200-400 μm long; macronucleus oval; ciliation uniform (Kudo, 1966).

Stentor igneus Ehrenberg, cell body 200 μm long, 105 μm wide, L/W=, x 400, x 640, Kamino-tanbo (bog/marsh), Tsugaike highland (near Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Stentor igneus Stentor igneus Stentor igneus Stentor igneus Stentor igneus

Images of collecting locality: Kamino-tanbo (bog/marsh), Tsugaike highland (near Tsugaike Natural Park), Otari village, Nagano Pref., Japan, August 11, 2006 by Y. Tsukii

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