ON THE MARINE CILIATE, Pseudocohnilembus hargisi （PROTOZOA, CILIOPHORA, SCUTICOCILIATIDA） WITH COMPARISON OF ITS RELATED SPECIES

On the marine ciliate,Pseudocohnilembus hargisi (Protozoa, ciliophora, scuticociliatida) with comparison of its related species

The living morphology, nuclear apparatus, infraciliature and silverline system of the poorly-known ciliatePseudocohnilembus hargisi Evans & Thompson, 1964, collected from a shrimp culture pond in Qingdao, China, were examined by observation of the live specimen; and by the pyridinated carbonate method and Chatton-Lwoff technique. The main characteristics: 13–14 (usually 13) longitudinal or slightly spirally arranged somatic kineties; single contractile vacuole with usually 2 (1–2) pores at posterior ends of the fourth and fifth somatic kineties to the right of the buccal cavity. Several related congeners were compared and morphometrically tabulated. Project No. 39970098 supported by NSFC.