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Plant Evolution & Paleobotany
Paleobotany website
What is Paleobotany?
Historical Sciences
News
Paleobotany Short-Course
Pre-Sessions
1. Move to Land
2. Diversification
3. Trees & Forests
4. Seeds
5. Mesozoic
6. Flowers
FAQ of Earth's History
Early Earth
Oxygen Changes the World
Life Moves to Land
First Wetlands
Rise of Trees
Great Coal-Age Swamps
Extinction & Seed Plants
Ginkgoes, Dinos, and Seed Cones
Rise of the Flowering Plants
Diversification of Flowers
Geologic Time
Phanerozoic Eon
Cenozoic Era
Quaternary
Neogene
Pliocene
Miocene
Paleogene
Oligocene
Eocene
Paleocene
Mesozoic Era
Cretaceous
Jurassic
Triassic
Paleozoic Era
Permian
Carboniferous
Pennsylvanian
Mississippian
Devonian
Silurian
Ordovician
Cambrian
Proterozoic Eon
Neoproterozoic
Ediacaran
Cryogenian
Tonian
Mesoproterozoic
Stenian
Ectasian
Calymmian
Paleoproterozoic
Statherian
Orosirian
Rhyacian
Siderian
Archean Eon
Neoarchean
Mesoarchean
Paleoarchean
Eoarchean
Hadean Eon
Geologic Events
Plant Classification
Embryophytes
Eophytes
Tracheophytes
Lycophytes
Euphyllophytes
Woody plants
Seed Plants
Vladimariales
Angiosperms
Terminology
Question of the week
Paleo Blogs
About the author
Plant Evolution & Paleobotany
Rhuddanian
Age
Geologic Age
443.8
±1.5–
440.8
±1.2 Ma
Eon / Era / Period / Epoch
Phanerozoic
;
Paleozoic
;
Silurian
;
Llandovery
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