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Spirotrichea: Stichotrichia: Stichotrichina: Spirofilidae

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

Stichotricha secunda Perty, cell body 90 μm long, 17 μm wide, L/W=5.3, x 640, Kumakubo, Nasu-shiobara city (formerly Kuroiso city), Tochigi Pref., Japan, December, 2005, collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
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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