Semisporis
- Citations total:
- 2
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Geolocation
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Author - title
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Year
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| original | Valanginian | W.Germany(Rhineland) | Pflug,H.D. Origin and development of the angiosperm pollen in earth history | 1953 | |
| details | Valanginian | W.Germany(Rhineland) | Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 | 1956 |