| Encentrum cf longidens with conspicuous grains in the gastric glands (yellow arrows) and rostrum (red arrow). |
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| Encentrum cf longidens, specimen with amictic egg (green arrow). |
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| Encentrum cf longidens, lateral view. |
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| Encentrum cf longidens dorsoventral view. |
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| Encentrum cf longidens, two aspectss of the forcipate trophi. |
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| location: Gevelsberg, Grünes Klassenzimmer (Teich) |
| habitat. plankton-sample with detritus |
| Date: 19.3.2008 |
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