Symplassosphaeridium parvum
- Citations total:
- 2
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| details | Middle Riphean | Late Riphean | Finland | Tynni,R. et al. Microfossils from the Precambrian Muhos Formation in Western Finland | 1984 |
| original | Late Precambrian | Finland | Tynni,R. Microfossils of the Muhos Formation. | 1978 |