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Author - title
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| details | Valanginian | Senonian | USSR(WSL) | Krasnova,L.M. et al. Selaginellaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) | 1961 |
| details | Valanginian | Senonian | USSR(WSL) | Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. | 1970 |