Acrosphaeridium esthonicum
- Citations total:
- 2
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| details | Middle Caradocian | Middle Ashgillian | USSR(Estonian SSR) | Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia | 1991 |
| original | Middle Ashgillian | USSR(Estonian SSR) | Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia | 1991 |