User:Bgtrakia/sandbox

Period	Epoch	Age	Ma )
Triassic	Lower/ Early	Induan	younger
Permian	Lopingian	Changhsingian	251.902	254.14
	Lopingian	Wuchiapingian	254.14	259.1
	Guadalupian	Capitanian	259.1	265.1
		Wordian	265.1	268.8
		Roadian	268.8	272.95
	Cisuralian	Kungurian	272.95	283.5
		Artinskian	283.5	290.1
		Sakmarian	290.1	295.0
		Asselian	295.0	298.9
Carboniferous	Pennsylvanian	Gzhelian	older
Subdivision of the Permian system according to the ICS, as of 2017.^[1]

System	Subsystem/ Series	Stage	Ma )
Permian	Cisuralian	Asselian	younger
Carboniferous	Pennsylvanian	Gzhelian	298.9	303.7
		Kasimovian	303.7	307.0
		Moscovian	307.0	315.2
		Bashkirian	315.2	323.2
	Mississippian	Serpukhovian	323.2	330.9
		Visean	330.9	346.7
		Tournaisian	346.7	358.9
Devonian	Late	Famennian	older
Subdivision of the Carboniferous system according to the ICS, as of 2017.^[2]

Period	Epoch	Age	Ma )
Carboniferous	Mississippian	Tournaisian	younger
Devonian	Upper/ Late	Famennian	358.9	372.2
	Upper/ Late	Frasnian	372.2	382.7
	Middle	Givetian	382.7	387.7
	Middle	Eifelian	387.7	393.3
	Lower/ Early	Emsian	393.3	407.6
		Pragian	407.6	410.8
		Lochkovian	410.8	419.2
Silurian	Pridoli	no faunal stages defined	older
Subdivision of the Devonian system according to the ICS, as of 2017.^[3]

Period	Epoch	Age	Ma )
Devonian	Early	Lochkovian	younger
Silurian	Pridoli	no faunal stages defined	419.2	423.0
	Ludlow	Ludfordian	423.0	425.6
	Ludlow	Gorstian	425.6	427.4
	Wenlock	Homerian	427.4	430.5
	Wenlock	Sheinwoodian	430.5	433.4
	Llandovery	Telychian	433.4	438.5
		Aeronian	438.5	440.8
		Rhuddanian	440.8	443.8
Ordovician	Late	Hirnantian	older
Subdivision of the Silurian system according to the ICS, as of 2017.^[4]

Fish

Animalia

Eumetazoa

Deuterostomia

Protostomia

Platyhelminthes and allies

550 mya

580 mya

>529 mya

610 mya

650 mya

Triploblasts

680 mya

Porifera

760 mya

950 mya

Cladogram - The evolution of Fish

Period	Epoch	Age	Ma )
Silurian	Llandovery	Rhuddanian	younger
Ordovician	Upper/ Late	Hirnantian	443.8	445.2
		Katian	445.2	453.0
		Sandbian	453.0	458.4
	Middle	Darriwilian	458.4	467.3
	Middle	Dapingian	467.3	470.0
	Lower/ Early	Floian	470.0	477.7
	Lower/ Early	Tremadocian	477.7	485.4
Cambrian	Furongian	Stage 10	older
Subdivision of the Ordovician system according to the ICS, as of 2017.^[5]

Period	Epoch	Age	Ma )
Ordovician	Lower/ Early	Tremadocian	younger
Cambrian	Furongian	Stage 10	485.4	~489.5
		Jiangshanian	~489.5	~494
		Paibian	~494	~497
	Miaolingian	Guzhangian	~497	~500.5
		Drumian	~500.5	~504.5
		Wuliuan	~504.5	~509
	Series 2	Stage 4	~509	~514
	Series 2	Stage 3	~514	~521
	Terreneuvian	Stage 2	~521	~529
	Terreneuvian	Fortunian	~529	541.0
Ediacaran	no faunal stages defined		older
Subdivision of the Cambrian system according to the ICS, as of 2018.^[6] The italicized stages do not have formal names.