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Antarctica
2
Byers Peninsula
2
Cerro Negro Formation
2
Cretaceous
2
Cladophlebis
1
Elatocladus
1
Geochronology
1
Geology
1
Livingston Island
1
Lueheia
1
Paleofloras
1
Paleontology
1
Phyllopteroides
1
Pseudoctenis
1
South Shetland Islands
1
Sphenopteris
1
Systematics
1
Taeniopteris
1
Usnea
1
flora
1
igneous intrusion
1
pyroclastic deposit
1
radiometric method
1
stratigraphic correlation
1
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