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Spirotrichea: Stichotrichida: Amphisiellidae

 Paraurostyla sp.
Gourret and Roeser, 1888

Paraurostyla Family: Cirri in 2 marginal, 1 frontoventral files; cirral files straight; more than 1 frontoventral file extends past middle of body (Illustrated Guide, 1985).
Genus: Cell body ovoid or elongate with numerous longitudinal ventral files (cirral rows); buccal cavity not extensive; frontal cirri clearly differentiated from others; two macronuclei (Carey, 1992).
Species:
Similar Genus -> > Holosticha; Balladyna; Urostyla

Paraurostyla sp. ??, stock TW-1, protargol-stained by A. Kihara, cell body 147 μm long, 44 μm wide, with lateral stiff cirri, 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
Paraurostyla Paraurostyla Paraurostyla

Paraurostyla, cell body 135 μm long, 42 μm wide, x 400, x 640, October 1999, Saitama Pref., stained by A. Kihara, photo 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
Paraurostyla Paraurostyla Paraurostyla

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