Category:Devonian rocks by continent

This meta category should only contain other categories. Files should either be in the relevant subcategory or in the parent category.

Precambrian	Phanerozoic rocks by continent
Preceded by Proterozoic Eon	Phanerozoic rocks by continent
	Paleozoic Era						Mesozoic Era			Cenozoic Era
	Cambrian	Ordovician	Silurian	Devonian	Carboniferous	Permian	Triassic	Jurassic	Cretaceous	Paleogene	Neogene	4ry

Subcategories

This category has the following 5 subcategories, out of 5 total.