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Also known as Devonian Period, Devonian System

The Devonian ( ) is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.7 million years from the end of the preceding Silurian period at million years ago (Ma), to the beginning of the succeeding Carboniferous period at Ma. It is the fourth period of both the Paleozoic and the Phanerozoic. It is named after Devon, South West England, where rocks from this period were first studied.

AI overview

The Devonian is a major chapter in Earth's history that lasted about 60.7 million years during the Paleozoic era, occurring roughly 419 to 359 million years ago. Scientists named it after Devon in South West England, where they first identified and studied rocks from this ancient time period.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Geologic timespan.name: Devonian
Geologic timespan.color: Devonian
Geologic timespan.time_start: 419.62
Geologic timespan.time_start_uncertainty: 1.36
Geologic timespan.time_end: 358.9
Geologic timespan.time_end_uncertainty: 0.4
Geologic timespan.image_map: Mollweide Paleographic Map of Earth, 390 Ma (Eifelian Age).png
Geologic timespan.caption_map: A map of Earth as it appeared 390 million years ago during the Middle Devonian Epoch
Geologic timespan.timeline: Devonian
Geologic timespan.name_formality: Formal
Geologic timespan.nicknames: Age of Fishes
Geologic timespan.celestial_body: earth
Geologic timespan.usage: Global (ICS)
Geologic timespan.timescales_used: ICS Time Scale
Geologic timespan.chrono_unit: Period
Geologic timespan.strat_unit: System
Geologic timespan.timespan_formality: Formal
Geologic timespan.lower_boundary_def: FAD of the Graptolite Uncinatograptus uniformis