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Spirotrichea: Stichotrichida: Urostylina: Urostylidae (or Holostichidae)

 Uroleptopsis sp.
Kahl, 1930-5

Uroleptopsis 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).
Genus: Cell body elongate with a large AZM; 2 rows of marginal cirri, 2 rows of mid-ventral cirri; no true frontal and no transverse cirri (Carey, 1992).
Species: Posterior reduced in width (Carey, 1992).

Uroleptopsis roscoviana (?), cell body 275 μm long, 58 μm wide, x 200, x 400, x 640, Higashi-hiroshima, Hiroshima Pref., Japan, October 1998, 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
Uroleptopsis Uroleptopsis Uroleptopsis Uroleptopsis Uroleptopsis Uroleptopsis

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