| Keratella serrulata serrulata; focal plane on the ventral side of the lorica showing the granulated surface. In contrast to K. serrulata curvicornis this taxon has two spines at the posterior part of lorica. |
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| Keratella serrulata serrulata; specimen with a resting egg. This type of egg is produced when the environment conditions get worse. The resting eggs can survive bad conditions, eg. winter time or dry seasons. The lorica of this specimen is covered with filamentous bacteria. |
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| Keratella serrulata serrulata; focus plane on the mictic egg. This species was one of two (the other one was Cephalodella ventripes) which were found in this environment of rotten Sphagnum leafs (2) |
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| see also >>> Keratella serrulata curvicornis |
| Location: Nature reserve Heiliges Meer (1); Venner Moor, NRW, Germany (2) |
| Habitat: Plankton (1); Sphagnum- detritus (2) |
| Datum: 16.04.2011 (1); 22.04.2020 (2) |
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