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Data sets Publications Expeditions Thesaurus
Bartonian  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Eocene
 .....Bartonian
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Eocene
 .....upper Eocene
 ......Bartonian
NTBarton Beds
RTPriabonian
SNEurope. Above Auversian, below Ludian.