Osmundacidites spinulatus
- Citations total:
- 2
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| details | Toarcian | Bajocian | USSR(Ukrainian SSR) | Semenova,E.V. Spore and pollen assemblages of deposits of the Jurassic and Triassic Boundary of the Don Basin. | 1970 |
| details | Toarcian | USSR(Ukrainian SSR) | Semenova,E.V. Stratigraphy of the Upper Triassic Boundary in the North-West Part of the Don Basin. | 1979 |