Pterospermopsis angulus
- Citations total:
- 2
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| original | Middle Proterozoic | China(Hopei) | Zhang,Y. Eucaryotic unicellular microfossils in the Mid-Proterozoic Wumishan Formation, (Sinian System), from Western Hopei Province, China. | 1978 | |
| details | Sinian | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |