Concavioide form 2
- Citations total:
- 2
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Author - title
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| original | Middle Devonian | Early Carboniferous | W.Germany(N.Rhine) | Brelie,G.Von Der The Lower Cretaceous of northern Sauderland | 1964 |
| original | Aptian | USSR(Ukrainian SSR) | Voronova,M.A. Early Cretaceous miospores of the Ukraine | 1984 |