Monoptycha ovalis
- Citations total:
- 3
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| details | Induan | 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 | Late Tatarian | Early Triassic | USSR(Komi ASSR) | Chalyashev,V.I. On stratigraphy of the Upper Permian and Triassic of northern Pre-Ural | 1963 |
| original | Late Albian | USSR(Kazakh SSR) | Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. | 1953 |