Synsphaeridium bullatum
- Citations total:
- 2
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| details | Vendian | USSR(Urals) | Chepikova,I.K. Acritarchae of Wendean deposits of Volga-Ural oil and Gas Region and their significance for stratigraphy. (In: Sporen and pollen in deposits of oils and Gas-bearing Regions of the USSR.) | 1971 | |
| details | Vendian | USSR(Arkhangelsk Oblast) | Ragozina,A.L. et al. Microfossils of the Valdaiskaya Series of the North Western Arkhangelsk Oblast. (In: The Vendian System. Historic Geological and Paleontological Basis. Paleontology. B.S.Sokolov, editor) | 1985 |