Protosphaeridium spumosum
- Citations total:
- 2
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| original | Early Gedinnian | USSR(Moldavian SSR) | Andreeva,E.M. Early and Middle Devonian spores from the Northeastern Slope of Salair. | 1973 | |
| details | Nd | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |