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Nd |
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Nd |
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1960 |
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Nd |
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Nd |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |
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Nd |
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Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
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Nd |
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Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Nd |
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Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
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Cretaceous |
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Nd |
de Jekhowsky,B. Biologic Degredation of fossil pollen grains and spores. |
1963 |
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Nd |
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Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
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Carboniferous |
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Nd |
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1956 |
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Nd |
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1969 |
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Nd |
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1968 |
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Nd |
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1950 |
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Kremp,G.O.W. et al. The organ-Species concept and the International Code of botanical nomenclature. |
1959 |
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Ordovician |
Silurian |
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1971 |
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Late Devonian |
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Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
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Nd |
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Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
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Nd |
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Nd |
Pant,D.D. Suggestions for the classification and nomenclature of fossil spores and pollen grains |
1954 |
| details |
Cretaceous |
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Nd |
Herngreen,G.F.W. et al. Cretaceous palynofloral Provinces: A review. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |