Archaeohystrichosphaeridium acer
- Citations total:
- 3
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| original | Middle Cambrian | USSR(Pre-Baltic) | Timofeev,B.V. Ancient flora of the Prebaltic Region and its stratigraphic significance | 1959 | |
| details | Early Cambrian | USSR(Siberia) | Rudavskaya,V.A. Cambrian Hystrichospheres of the Southern Part of the Siberian Platform. | 1965 | |
| details | Middle Cambrian | USSR(Pre-Baltic) | Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. | 1990 |