Discina colliculosa
- Citations total:
- 3
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| details | Late Famennian | Early Tournaisian | USSR(Altai Kray) | Akimova,Y.L. New data on the age and structure of the Middle Paleozoic Tuff-Siliceous rocks in the Southern Altai. | 1984 |
| original | Late Famennian | USSR(Urals) | Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). | 1972 | |
| details | Late Frasnian | Early Carboniferous | 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 |