Description of Pseudourostylidae
provided by BioPedia
Urostylid ciliates, frontal cirri form a conspicuous, arc-like file that parallels the anterior left serial oral polykinetids; frontoventral cirri as 1-6 files to the right of left marginal cirral file and several cirral files to the left of right marginals; multiple marginal files derive from a unique anlagen during morphogenesis; transverse cirri present.
