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Data sets Publications Expeditions Thesaurus
Cretaceous  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
NTLower Cretaceous
 Upper Cretaceous
 Alisitos Formation
 Asu River Group
 Benton Formation
 Blairmore Group
 Bulldog Shale
 Calera Limestone
 Chatsworth Formation
 Colorado Group
 Columbian Orogeny
 Comanchean
 Dakota Formation
 Eureka Sound Formation
 Gosau Formation
 Graneros Shale
 Hatteras Formation
 Judea Group
 Kuskokwim Group
 Lower Greensand
 Mancos Shale
 Middle Cretaceous
 Mishash Formation
 Nanushuk Group
 Nenjiang Formation
 Potomac Group
 Qingshankou Formation
 Quantou Formation
 Robles Formation
 Santana Formation
 Shiranish Formation
 Tananao Schist
 Toolebuc Formation
 Valdez Group
 Viking Formation
 Vraconian
 Weald Clay
 Whitemud Formation
 Yacoraite Formation
RTNubian Sandstone
 Ionian Zone
 Brianconnais Zone
 Franciscan Complex
 Coast plutonic complex
 Laramide Orogeny
 Great Valley Sequence
 Lucas Formation
 Maiolica Limestone
 Mardin Formation
 Mist Mountain Formation
 Muro Group
 Paskapoo Formation
 Peace
SNAbove Jurassic, below Tertiary.
Cretaceous-Tertiary boundary  search
USEK-T boundary