Geological Time - Hard

Name every official named part of geological time (Excluding ages, the smallest version of time - there are 100 just of those) The two highlighted in yellow are technically sub-periods, not epochs.

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Last updated: October 22, 2020

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First submitted	October 22, 2020
Times taken	441
Average score	47.9%
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Eons	Eras	Periods	Epochs	Time period covered
				(Million years ago)
Hadean	-	-	-	4600-4000
Archean	Eoarchean	-	-	4000-3600
	Paleoarchean	-	-	3600-3200
	Mesoarchean	-	-	3200-2800
	Neoarchean	-	-	2800-2500
Proterozoic	Paleoproterozoic	Siderian	-	2500-2300
		Rhyacian	-	2300-2050
		Orosirian	-	2050-1800
		Statherian	-	1800-1600
	Mesoproterozoic	Calymmian	-	1600-1400
		Ectasian	-	1400-1200
		Stenian	-	1200-1000
	Neoproterozoic	Tonian	-	1000-720
		Cryogenian	-	720-635
		Ediacaran	-	635-541
Phanerozoic	Paleozoic	Cambrian	Terreneuvian	541-521
			Series 2	521-509
			Series 3	509-497
			Furongian	497-485
		Ordovician	Lower	485-470
			Middle	470-458
			Upper	458-444
		Silurian	Llandovery	444-433
			Wenlock	433-427
			Ludlow	427-423
			Pridoli	423-419
		Devonian	Lower	419-393
			Middle	393-383
			Upper	383-359
		Carboniferous	Mississippian	359-323
		Carboniferous	Pennsylvanian	323-299
		Permian	Cisuralian	299-273
			Guadalupian	273-259
			Lopingian	259-252
	Mesozoic	Triassic	Lower	252-247
			Middle	247-237
			Upper	237-201
		Jurassic	Lower	201-174
			Middle	174-164
			Upper	164-145
		Cretaceous	Lower	145-101
		Cretaceous	Upper	101-66
	Cenozoic	Paleogene	Paleocene	66-56
			Eocene	56-34
			Oligocene	34-23
		Neogene	Miocene	23-5.3
		Neogene	Pliocene	5.3-2.6
		Quaternary	Pleistocene	2.6-0.01
			Holocene	0.01-0.00007
			Anthropocene	0.00007-present

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