Psophosphaera mirabilis
- Citations total:
- 2
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| original | Ufimian | USSR(Komi ASSR) | Varyukhina,L.M. New megaspores in the Late Permian and Early Triassic of northern Pre-Urals. (In: Phanerozoic Biostratigraphy of the Northeast of the European part of the USSR. V.A.Molin, editor) | 1978 | |
| details | Devonian | USSR(Ukrainian SSR) | Medvedeva,A.M. Palynological investigation of Petroleum | 1978 |