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Spirotrichea: Stichotrichia: Stichotrichida: Urostylina: Urostylidae

 Unidentified Urostylidae

Unidentified Urostylidae Suborder: Frontoventral cirri as 2 or more zig-zag files almost full length of ventrum.
Family: Frontal cirri differ in size and/or pattern from ventral ones of files; "collar" extends short distance along right edge of body; oral area not U-shaped (Illustrated Guide, 1985).

Unidentified stichotricha sp., cell body 238 μm long, 65 μm wide, anterior AZM ("collar") expanded upward, pointed at rear, frontoventral cirri present, no transverse, no caudal cirri, two frontoventral cirral files, right & left marginal files present, marginal cirri confluent at rear, two macronuclei, x 200, x 400, Higashi-hiroshima, Hiroshima Pref., Japan, October 1998, by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200 : scale 50 μm scale 100 μm scale 150 μm; x 400

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