| link
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From
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To
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Geolocation
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Author - title
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Year
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| details | Middle Jurassic | Early Tertiary | Eurasia | Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy | 1968 |
| details | Middle Jurassic | Early Tertiary | North America | Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy | 1968 |
| details | Middle Jurassic | Early Tertiary | Australia | Bolkhovitina,N.A. The spores of the Family Gleicheniaceae ferns and their importance for the stratigraphy | 1968 |