| Monodinium balbiani: a species with oral dome and a single ciliary girdle (in contrast to Didinium nasutum which has two ciliary girdles). Lateral view (1) |
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| Monodinium balbiani: another lateral view of the same specimen; focus plane on the macronucleus (Ma) |
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| Monodinium balbiani: specimen from (2); apical view; focus plane on the ciliary girdle. |
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| Fundort: Hattingen, IG Metall-Bildungszentrum, pond (1); Hattingen Wodantal, pond (2) |
| Habitat: Plankton (1); (2) |
| Datum: 11.10.2010 (1); 22.02.2015 (2) |
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