Zooplankton of the open Baltic: Extended Atlas - IOW

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Plate 4.3.5
Ciliophora, Cyrtophorida. 1, 2, 3, Chilodonella bavariensis, the central
zone is devoid of cilia, typically for this genus (1, arrow), five contractile
vacuoles are present (2, arrows) along with macronucleus, body length 45
μm; 4, 5, 6, Chilodonella calkinsi, with small rounded left anterior rostrum
and four contractile vacuoles (5, arrows), body length 35 μm; 7, 8, Trochilia
minuta, small cyrtophorida (body length 23 μm), left ciliary field is
characteristically reduced, large secretory podite is present in the posterior; 9,
Trochilia minuta, with distinct heteromeric macronucleus (arrow); 10,
Trithigmostoma srameki, with sixteen ciliary rows, numerous contractile
vacuoles and large ovoid macronucleus, body length 60 μm (photos E.
Mironova).
Photos 1-9: live, DIC; 10: live, BF.
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