Circella obtusa
- Citations total:
- 2
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| details | Late Permian | USSR(Komi ASSR) | Molin,V.A. et al. Palynological characteristic of the Ufimsk deposits in Western Pritiman | 1967 | |
| details | Late Permian | USSR(Arkhangelsk Oblast) | Molin,V.A. Ufimsk Stage | 1969 |