419.2 - 393.3 Ma

The definition of this interval in the timescale Devonian of Eastern North America is taken from the following source:

• W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view

There are intervals in 6 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Early Devonian epoch, Lochkovian age, Pragian age, Emsian age
• Devonian Subages: Late Emsian subage, Early Lochkovian subage, Late Lochkovian subage, Middle Lochkovian subage, Early Emsian subage
• Devonian of France: Gedinnine age, Coblencien age, Couvinien age
• Devonian of Germany: Siegen age
• Devonian of Czechoslovakia: Zlichovian age, Daleje age
• Devonian of Eastern North America: Deer Parkian age, Sawkillian age

This interval is used in the definition of 45 collections

A total of 4343 collections with 32759 occurrences lie within this time span