Perisaccus communis
- Citations total:
- 2
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| details | Late Frasnian | USSR(Nenets Nat.Okrug) | Sennova,V.F. Spore-pollen assemblages of the Upper Devonian of the Timan-Pechora Province. | 1972 | |
| details | Early Frasnian | USSR(Nenets Nat.Okrug) | Sennova,V.F. Assemblages of spores and other microfossils from deposits in the Timan-Pechora Province. | 1974 |