Circella stitica
- Citations total:
- 2
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| original | Permian | USSR(Siberia) | Lyuber,A.A. Correlation by means of spores of coal bearing Upper Paleozoic deposits of the Kuznetsk and Minussinsk Basins | 1939 | |
| details | Permian | USSR(Khakass A.O.) | Lyuber,A.A. Correlation by means of spores of coal bearing Upper Paleozoic deposits of the Kuznetsk and Minussinsk Basins | 1939 |