Duplosporis convulsus
- Citations total:
- 2
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| details | Albian | Germany | Zaklinskaya,E.D. Angiosperm pollen and their significance for the stratigraphy of the Upper Cretaceous and Paleogene | 1963 | |
| original | Albian | France | Pflug,H.D. Origin and development of the angiosperm pollen in earth history | 1953 |