Saccopollis naturalis
- Citations total:
- 2
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| original | Liassic | W.Germany | Pflug,H.D. Origin and development of the angiosperm pollen in earth history | 1953 | |
| details | Early Liassic | E.Germany | Krutzsch,W. On some Liassic "Angiospermide" sporomorphs. | 1955 |