Family & Genus: Circumferential paratene (cirrus-like "bristles") usually polykinetid;
body small, rounded (Illustrated Guide, 1985).Genus: Spherical or broadly fusiform; anterior border bears conspicuous adoral zone (Kudo, 1966). Body circular or globular; AZM is composed of two sets membranelles; longer set emerges from the buccal cavity and wind around the apex of the cell; long, stiff cilia present equatorially; saltatorial locomotion quite common (Carey, 1992). Species:
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50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Halteria grandinella (Müller, 1773) Dujardin, 1841: Ovoid, 30 μm long; somatic cirri (bristles) grouped into 7 sets of 3 (Carey, 1992). 25-50 μm long; round or broadly oval body, with consipicuous flattened adoral zone surrounded by long membranelles; 7 groups of 3 cirri each in an equatorial ring around the body (How to know the protozoa, 1979).
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