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Geologic eras, periods and epochs

Name a geological era, period or epoch. Hopdown accepts 358 answers here. Common answers keep your bunny near the surface; rare ones dig deeper. An eon, era, period, subperiod or epoch of the geologic time scale, such as the Jurassic, Cenozoic or Pleistocene.

Most common answers

• JurassicExtremely common
• CretaceousExtremely common
• TriassicExtremely common
• CambrianExtremely common
• OrdovicianCommon
• SilurianUncommon
• Late JurassicUncommon
• Early CretaceousUncommon
• Late CretaceousUncommon
• Early TriassicUncommon
• DevonianUncommon
• CarboniferousUncommon
• Middle TriassicUncommon
• Late TriassicUncommon
• TerreneuvianUncommon

Rare answers

• GzhelianRare
• EmsianRare
• DarriwilianRare
• Cambrian Stage 3Rare
• Stage 4Rare
• Middle OrdovicianRare
• Late CarboniferousRare
• Late EoceneVery rare
• Lower PleistoceneVery rare
• Late PennsylvanianVery rare
• UfimianVery rare
• ArenigVery rare
• Calymmian PeriodVery rare
• Chattian AgeVery rare
• Coniacian AgeVery rare

Deep cuts

The answers almost nobody gives.

• Callovian AgeDeep cut
• Pliensbachian AgeDeep cut
• Carnian AgeDeep cut
• Danian AgeDeep cut
• Bartonian AgeDeep cut
• Langhian AgeDeep cut
• Capitanian AgeDeep cut
• Sakmarian AgeDeep cut
• Bashkirian AgeDeep cut
• Frasnian AgeDeep cut

Plus 318 more answers you'll have to find yourself.