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Heterotrichea: Heterotrichida: Stentoridae

Stentor roeseli
Ehrenberg 1835

Stentor roeseli Species: 0.5-1 mm long; anterior end expanded; body surface with groups of longer cilia; posterior portion drawn out and often within a gelatinous tube (lorica); macronucleus long band-form (Kudo, 1966). Body attenuated, peristome widely expanded, attains 0.5-1.0 mm; peristome has no central raised dome; somatic bristles present; gelatinous lorica; macronucleus moniliform but usually observed as a long rod; colourless (Carey, 1992).


Stentor roeseli Ehrenberg, cell body 1000 μm long, peristome 180 μm wide, somatic bristles present, macronucleus band/moniliferum (?), x 100, x 200, Tane-ike (pond), Togakushi highland, Shinano town, Nagano Pref., Japan, May 21, 2006 by Y. Tsukii
scale 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 Stentor
Cell body μm long, peristome 160 μm wide, x 400, x 640
Stentor Stentor Stentor Stentor Stentor Stentor

Images of collecting locality: Tane-ike (pond), Togakushi highland, Shinano town, Nagano Pref., Japan, May 21, 2006 by Y. Tsukii


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