Sporonites punctatus
- Citations total:
- 2
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| original | Westphalian C | W.Germany(N.Rhine) | Potonie,R. et al. Spore forms in the Agir and Bismarck Seams of the Ruhr Basin. | 1932 | |
| details | Westphalian C | Germany(Rhineland) | Ibrahim,A.C. Spore forms of the Agir horizon of the Ruhr Basin. | 1933 |