Description of Choreotrichia

Spirotrich ciliates, body generally conical or bell-shaped; body cilia poorly developed; serial oral polykinetids form closed, outer circle around broader anterior end; the inner ends of some of these outer polykinetids may extend into the oral cavity where they may accompany a smaller number of oral polykinetids restricted to the inner oral cavity; oral cilia used to locomote and feed (some species are raptors); most are planktonic; no cytoproct.