Circumvaginalis sp
- Citations total:
- 2
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| details | Middle Riphean | Late Riphean | Russia(Siberia) | Sergeev,V.N. et al. Paleobiology of the Mesoproterozoic-Neoproterozoic transition: Sukhaya Tunguska Formation, Turukhansk Uplift, Siberia | 1997 |
| details | Middle Riphean | Late Riphean | Russia(Siberia) | Sergeeva,V.N. Silicified microfossils from transitional Meso-Neoproterozoic deposits of the Turukhansk Uplift, Siberia. | 1999 |