Geological eons, eras and periods - Statistics

General Stats

Answer Stats

Hint	Answer	% Correct
201-145 mya	Jurassic	96%
252-201 mya	Triassic	91%
541-485 mya	Cambrian	89%
145-66 mya	Cretaceous	81%
419-359 mya	Devonian	81%
299-252 mya	Permian	79%
11.7 thousand years ago to present	Holocene	74%
485-443 mya	Ordovician	72%
443-419 mya	Silurian	72%
359-299 mya	Carboniferous	70%
252-66 mya	Mesozoic	64%
Everything before current eon	Precambrian	64%
2.58 mya-11.7 thousand years ago	Pleistocene	60%
66 mya to present	Cenozoic	55%
4.6-4.0 billion years ago	Hadean	55%
23-2.58 mya	Neogene	55%
66-23 mya	Paleogene	55%
541-252 mya	Paleozoic	55%
4.0-2.5 bya	Archean	53%
2.5 bya-541 million years ago	Proterozoic	49%
2.58 mya to present	Quaternary	49%
541 mya to present	Phanerozoic	45%

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