| Heliophrya rotunda the focus plane is on the tentacles that are distributed in fascicles which are orientated like the scale marks of a clock. Some diatoms have been caught by the tentacles. Interestingly enough the specimens shown in these images were found on artificilally exposed micro-slides, the same subtrate as described in the book of D. Mattes about Suctoria. The oval-shaped macronucleus with the micronucleus (on the right) is visible in the center of the cell. |
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| Heliophrya rotunda, another specimen from the same sample showing the central oval-shaped macronucleus (Ma) and the associated micronucleus (marked by the two arrowheads). |
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| Heliophrya rotunda, focus plane on the more than 8 contractile vacuoles which are circular arranged. |
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| Location: Großes Heiliges Meer, NRW, Germany; |
| Habitat : on artificially exposed micro-slides |
| Date: 08.04.2018; 28.04.2019 (1) |
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