| Polyarthra cf. bicerca . Specimen from (1) |
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| Polyarthra cf. bicerca . Specimen from (1) |
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| Polyarthra cf. bicerca . Specimen from (1) |
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| Polyarthra cf. bicerca . Specimen from (1) |
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| Polyarthra cf. bicerca . Specimen from (2) |
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| Location : Hasslinghausen / NRW, pond (1,2) |
| Habitat: Plankton (1,2) |
| Date: 1.06.2011 (1); 2.06.2012 (2) |
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