Tetraedrixium tyrassum
- Citations total:
- 3
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| original | Late Riphean | Vendian | USSR(Ukrainian SSR) | Timofeev,B.V. Pre-Cambrian microplankton from the Ukraine. | 1973 |
| details | Nd | Nd | German,T.N. et al. Systematic descriptions of microfossils. (In: Precambrian Microfossils of the USSR. T.V.Yankauskas, editor) | 1989 | |
| details | Late Riphean | Vendian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |