image_list image_listE

Heterotrichea: Heterotrichida: Spirostomatidae

Spirostomum intermedium
Kahl, 1930-5

Spirostomum intermedium Genus: Body blunt at rear; kineties spiralled when body contracts (Illustrated Guide, 1985).
Species: 400-600 μm; macronucleus moniliform (Kudo, 1966). 600 μm long (without expansion or attenuation); peristome 1/2 body length; macronucleus moniliform; size and the length of the peristome separate this species from S. ambiguum (1-3 mm long, peristome 2/3 the body length) (Carey, 1992).

Spirostomum intermedium, double-stained with azure C and fastgreen, cell body μm long, μm wide, x 200?, Japan, 199? by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200
Spirostomum intermedium Spirostomum intermedium Spirostomum intermedium
scale 50 μm scale 100 μm scale 150 μm; x 400
Spirostomum intermedium

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