Schismatosphaeridium poriferum
- Citations total:
- 2
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| details | Early Gothlandian | Late Llandoverian | USSR(Russian Platform) | Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic | 1975 |
| original | Late Llandoverian | USSR(Estonian SSR) | Umnova,N.I. Ordovician and Silurian acritarchs of the Moscow Basin and Prebaltic | 1975 |