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Author - title
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Year
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| details | Early Cambrian | China(Hopei) | Ding,L.-F. et al. Discovery of Micrhystridium regulare from Sinian-Cambrian strata in Yichang, Hubei and its stratigraphic significance | 1992 | |
| details | Sinian | China(Tientsin) | Chen,J. et al. Research on Sinian suberathem of Jixian, Tianjin. (In: Proceedings of the Conference:Research on Precambrian Geology;Sinian Suberathen in China.) | 1980 |