Discina scabrosa
- Citations total:
- 3
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| original | Silurian | Early Devonian | USSR(Urals) | Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). | 1972 |
| details | Silurian | Early Devonian | USSR(Bashkir ASSR) | Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). | 1977 |
| details | Ordovician | Early Devonian | USSR(Buryat ASSR) | Butov,Y.P. Some problems of Pre-Mesozoic stratigraphy of Savan-Baikal Mountain Region. 2. New data on the age of Pre-Mesozoic deposits. | 1986 |