Paracyclidium (para-sigh-clid-ee-um) is a small scuticociliate, a group which usually has a well developed veil of cilia projecting around the mouth region (flopped , and these can be see to one side of each cell. It eats bacteria. May occur in organically enriched habitats with large numbers of bacteria. Rows of cilia (kineties) are interrupted in the central region of the body. Cyclidium is similar, but the kineties are unbroken. Long caudal cilium. Phase contrast.