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- Collected: Site C, Leipers Shale in Nashville, Tennessee, USA, from Upper Ordovician deposits.
- Estimated Age: about 450 million years old.
- Dimensions: scale bar is .5 mm
- Comments: asymmetric element classified as bar may be a pair of rastrate elements fused together in natural position. Some mosaic pictures are sloppy due to experimentation with uneven halogen lighting. Similar specimen C37AT12
Page established 8-10-98, updated 8-10-98
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