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Spirotrichea: Stichotrichida: Sporadotrichina: Oxytrichidae

 Stylonychia notophora
Stokes, 1885

Stylonychia notophora Family: Frontoventral cirri scattered on forward, mid- and rear areas of ventrum.
Genus: Marginal cirri not confluent at rear; oral cavity wide, expansive; caudal cirri (usually 3) prominent (Illustrated Guide, 1985). Cell body ovoid to elongate, inflexible; large AZM supported anteriorly by a collar; two rows of marginal cirri not confluent posteriorly; strongly-developed frontoventral & transverse cirri present; three long, stiff caudal cilia; dorsal surface ornamented by short rows of cirri; two macronuclei; cyst stage recorded in some species (Carey, 1992).
8 (3 + 2 + 3) frontal, 5 ventral, 5 transverse, 3 caudal cirri.
Species: About 125 μm long (Kudo, 1966).

Stylonychia sp., cell body 96 μm long, 37 μm wide, AZM 48 μm long (1/2 of the body length), caudal cirri about 16 μm long, 5 transverse cirri, marginal cirri not confluent at rear, 2 macronuclei ellipsoidal, x 400, x 640, Saitama Pref., Japan, May-June 1999 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
Stylonychia notophora Stylonychia notophora Stylonychia notophora
scale 31 μm scale 63 μm scale 94 μm; x 640
Stylonychia notophora Stylonychia notophora Stylonychia notophora Stylonychia notophora

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