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Spirotrichea: Stichotrichida: Spirofilidae (formerly Strongylidiidae)

Strongylidium sp.

Strongylidium Family: Cirral file ends dorsally; body long, tapered at rear (Illustrated Guide, 1985).
Genus: Body ovoid, tail region absent (Carey, 1992). Same as the family (Illustrated Guide, 1985). Body elongate, cylindroid, adoral zone not narrowed; 4-5 frontal cirri; 2-5 spiral rows of ventral cirri; short peristomal area (easily distinguished from Stichotricha by peristome); not tube-dwelling (?) (How to know the protozoa, 1979).


Strongylidium sp., cell body 190 μm long, 25 μm wide, x 400, x 640, Numa-no-hara marsh (Genseikaen), Madarao highland (Niigata & Nagano Pref.), Myoko village, Niigata Pref., Japan, May 15, 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
Strongylidium Strongylidium Strongylidium Strongylidium

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