Polysphaeroides filliformis
- Citations total:
- 3
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| original | Late Riphean | USSR(Krasnoyarsk Kray) | Timofeev,B.V. et al. Microfossils of the Precambrian, Cambrian and Ordovician. | 1976 | |
| details | Riphean | USSR(Siberia) | Veis,A.F. Riphean and Vendian microfossils of the Ushur-Maya and Turukhan Regions of Siberia | 1988 | |
| details | Late Riphean | USSR(Siberia) | German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) | 1989 |