Picea sp. Ivan.et al,1957
- Citations total:
- 2
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| original | Hauterivian | Barremian | USSR(WSL) | Ivanova,E.A. et al. Hauterivian-Barremian spore-pollen complexes. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) | 1957 |
| original | Cenomanian | USSR(WSL) | Ivanova,E.A. et al. Cenomanian. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) | 1957 |