| link
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From
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To
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Geolocation
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Author - title
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Year
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|---|---|---|---|---|---|
| details | Early Cambrian | Romania | Givulescu,R. The fossil flora of Roumania; Second Supplement, first Part. | 1973 | |
| details | China | Wang,F. et al. Precambrian acritarcha | 1982 | ||
| details | USSR(Russian Platform) | Bogomyagkova,V.B. Lower Cambrian acritarchs in the Lvov Paleozoic Trough. | 1971 |