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Spirotrichea: Stichotrichia: Stichotrichina: Spirofilidae

 Stichotricha sp.
(Claparède and Lachmann, 1858) Perty, 1849

Stichotricha Family: Cirral files spiral obliquely around body.
Genus: Slender or ovoid or fusiform; usually 4 spiral rows of crri; sometimes tube-dwelling (Kudo, 1966). Body long with pointed anterior; loricate; posterior of body blunt, round (Illustrated Guide, 1985). S. gracilis posterior end pointed (Carey, 1992).
Species:

Stichotricha sp. (secunda large variety ??), cell body 250 μm long, μm wide, x 100, x 200, Vermont-Maine U.S.A., August 7-13, 1999, by Y. Tsukii
Stichotricha Stichotricha Stichotricha
x 400, x 640
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Stichotricha Stichotricha Stichotricha Stichotricha Stichotricha
x 400, x 640
Stichotricha Stichotricha Stichotricha Stichotricha Stichotricha Stichotricha

S. aculeata Wrzesnioski, 1884: Spindle-shaped; posterior end rounded; thin neck; 90 μm long; peristome 1/2 the body length; contractile vacuole anteriorly located; two ovoid macronuclei (Carey, 1992).

* S. secunda Perty: 130-200 μm long; fresh water (Kudo, 1966).

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