Hemisphaerium germanum
- Citations total:
- 3
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| original | Early Carboniferous | Saudi Arabia | Hemer,D.O. et al. Algae, acritarchs and other microfossils Incertae Sedis from the Lower Carboniferous of Saudi Arabia | 1967 | |
| details | Early Carboniferous | Nd | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 | |
| details | Nd | Nd | Grenfell,H.R. Probable fossil Zygnematacean algal spores Genera | 1995 |