Pterospermopsis binatum
- Citations total:
- 2
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| details | Early Permian | USSR(Urals) | Medvedeva,A.M. Palynological investigation of Petroleum | 1978 | |
| details | Devonian | Permian | USSR(Ukrainian SSR) | Medvedeva,A.M. Palynological investigation of Petroleum | 1978 |