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Filicophyta
2
fern
fossil record
2
new species
paleobotany
Albian
1
Argentina
1
Chubut
1
Cibotium
1
Cretaceous
1
Cyatheales
1
Fossil
1
Jurassic
1
Marattia
1
Marattiaceae
1
Patagonia
1
Ptisana
1
South Africa
1
Tree ferns
1
Turonian
1
biological characteristics
1
biostratigraphy
1
classification
1
fossil
1
fossil assemblage
1
morphology
1
new genus
1
new record
1
nomenclature
1
paleobiogeography
1
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1
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2