Tortunema siberica
- Citations total:
- 1
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| details | Late 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 |