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