Selaginella psiloptera
- Citations total:
- 3
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Author - title
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| details | Kungurian | USSR(Urals) | Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. | 1960 | |
| details | Permian | USSR(Urals) | Zauer,V.V. The Permian flora of Solikamsk | 1965 | |
| details | Kazanian | USSR(Pre-Urals) | Hart,G.F. The biostratigraphy of Permian palynofloras. | 1970 |