Undulatisporites arquatus
- Citations total:
- 2
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original | Liassic | Sweden | Nilsson,T. On the occurrence of a Mesozoic oil shale in Schonen. | 1958 | |
details | Anisian | Romania | Antonescu,E. Study of the Anisian microflora from the Cristian Valley (Brasov). | 1970 |