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Antarctica
2
Byers Peninsula
Cretaceous
Aptian
1
Cerro Negro Formation
1
Filicophyta
1
Livingston Island
1
Millerocaulis
1
Osmunda
1
Osmundaceae
1
Paleofloras
1
Pteridophyta
1
South Shetland Islands
1
Systematics
1
fern
1
flora
1
fossil assemblage
1
heterogeneity
1
new record
1
new species
1
stratigraphic correlation
1
xylem
1
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