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Undescribed polychaete
The creature has two antennaes with lots of setae. Family,Order,Genus remain unknown. The first picture is overlapped of positive and negative side.
Beecher's Trilobite Bed 2022 460 Mya oldywang21
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Jaekelaster petaliformis (Stürtz 1899)
Petalos = broad, flat; having the form of a petal, corresponding to the lance-shaped arms. The arm length is 55-135mm Extremely rare type of Stenuroids
Hunsrück Slate 2022 408–400 Mya oldywang21