| Synchaeta grandis: swimming; extreme big rotifers (about 500-600µm) with very convex corona. (1) |
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| Synchaeta grandis: anterior part, focal plane on the red eyespot and the dorsal coronal setae. Also visible are the longitudinal striae of the integument. (2) |
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| Synchaeta grandis: focal plane on the lateral coronal setae and apical fan-like tuft of sensory setae (arrowheads) . (2) |
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| Synchaeta grandis: another specimen swimming; female with mictic egg. The aggregation of red globules at one pole of the egg is typical. |
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| Synchaeta grandis; virgate trophi of macerated specimen. The unci of S. grandis are omly slightly serrated plates (arrowheads), which is in contrast to the conspicuous teeth of the unci of some other Synchaeta-species like S. gyrina or S.oblonga. (2) |
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| Location: Lake Sorpe, NRW (1) |
| Habitat: Plankton |
| Date:12.06.2009 |
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