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dense stones west of the village of Habaswein and south of Sericho
Fracture faces
They are found fossilized in silica (silicified)
Top Rare LL3
30131 - Museum Grade Beckwithia type Cambrian Aglaspid Middle Cambrian Utah Niobella lindstroemi dense stones west of theAglaspidida is an extinct order of aquatic arthropods that were once regarded as primitive chelicerates. However, anatomical comparisons demonstrate that the aglaspidids cannot be accommodated within the chelicerates, and that they lie instead within the Artiopoda, thus placing them closer to the trilobites. Aglaspidida contains the subgroups Aglaspididae and Tremaglaspididae, which are distinguished by the presence of acute spinose genal angles and a
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