Punctatina rotundata
- Citations total:
- 2
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| details | Kungurian | USSR(Komi ASSR) | Chalyshev,V.I. et al. The boundary of the Permian and Triassic in the Red-Colored deposits of northern Priural | 1965 | |
| details | Early Triassic | USSR(Komi ASSR) | Chalyshev,V.I. et al. Biostratigraphy of the Triassic of the Pechorsk District. | 1966 |