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date: 19 June 2018


A Dictionary of Ecology

Michael Allaby


1 The Early Carboniferous subperiod which is followed by the Pennsylvanian and comprises the Tournaisean, Visean, and Serpukhovian Epochs. It is dated at 359.2–318.1 Ma.

2 The name of the corresponding North American subsystem which comprises the Kinderhookian, Osagean, Meramecian, and Chesterian Series. It is roughly contemporaneous with the Dinantian plus the Namurian A of western Europe.