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| Trichocerca bicristata Gosse 1887 |
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| Trichocerca bicristata, a species with a double crest on the back (bi-cristata) lateral view |
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| Trichocerca bicristata, lateral view, focus plane on the left crest |
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| Trichocerca bicristata, lateral view, focus plane on the right crest. |
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| location: Felderbachtal, Hattingen, Germany, pond |
| habitat: plankton |
| date: 21.09.2014 |
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