Pterospermopsimorpha ornata
- Citations total:
- 2
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| original | Middle Riphean | Late Riphean | Finland | Tynni,R. et al. Microfossils from the Precambrian Muhos Formation in Western Finland | 1984 |
| details | Nd | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |