The Paleobiology Database

ammonites

Devonian Stages

Interval	Maximum correlate		Ma

Tournaisian	Early/Lower Mississippian
			360.7

Famennian	Late/Upper Devonian
			376.1

Frasnian	Late/Upper Devonian
			383.7

Givetian	Middle Devonian
			388.1

Eifelian	Middle Devonian
			391.9

Emsian	Early/Lower Devonian
			409.1

Pragian	Early/Lower Devonian
			412.3

Lochkovian	Early/Lower Devonian
			418.1

Authorizer: J. Alroy Enterer: J. Alroy

Continent: global Rank of each interval: age/stage

Basis of scale: paleontological

Reference: B. Kaufmann 2006

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