Circumpollis sp
- Citations total:
- 2
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| details | Middle Keuper | Switzerland | Scheuring,B.W. Contribution to palynostratigraphic correlation of the Germanic and the Alpine Triassic. | 1974 | |
| details | Liassic | W.Germany | Pflug,H.D. Origin and development of the angiosperm pollen in earth history | 1953 |