|
gptkbp:instanceOf
|
gptkb:geological_formation
|
|
gptkbp:climate
|
generally warm
no glaciers
|
|
gptkbp:continent
|
gptkb:Siberia
gptkb:Gondwana
gptkb:Laurussia
|
|
gptkbp:duration
|
about 60 million years
|
|
gptkbp:endDate
|
358.9 million years ago
|
|
gptkbp:firstDescribed
|
gptkb:Roderick_Murchison
gptkb:Adam_Sedgwick
|
|
gptkbp:followedBy
|
gptkb:Carboniferous_period
|
|
gptkbp:marineLife
|
gptkb:ammonites
gptkb:Sarcopterygii
sharks
placoderms
|
|
gptkbp:massExtinction
|
gptkb:Hangenberg_event
gptkb:Kellwasser_event
gptkb:Late_Devonian_extinction
|
|
gptkbp:namedAfter
|
gptkb:Devon,_England
|
|
gptkbp:nickname
|
gptkb:Age_of_Fishes
|
|
gptkbp:notableOrganization
|
gptkb:Tiktaalik
gptkb:Chondrichthyes
gptkb:Bothriolepis
gptkb:Acanthostega
gptkb:Archaeopteris
gptkb:Dunkleosteus
gptkb:Ichthyostega
gptkb:Pterygotus
gptkb:Tristichopterus
|
|
gptkbp:notableSite
|
gptkb:Gogo_Formation
gptkb:Old_Red_Sandstone
gptkb:Rhynie_chert
|
|
gptkbp:partOf
|
gptkb:Paleozoic_era
|
|
gptkbp:precededBy
|
gptkb:Silurian_period
|
|
gptkbp:significance
|
evolution of seed plants
expansion of terrestrial ecosystems
origin of tetrapods
|
|
gptkbp:significantEvent
|
first appearance of insects
diversification of fish
evolution of first forests
first appearance of amphibians
mass extinction event at end
|
|
gptkbp:startDate
|
419.2 million years ago
|
|
gptkbp:terrestrialLife
|
gptkb:horsetails
lycophytes
early ferns
progymnosperms
|
|
gptkbp:bfsParent
|
gptkb:Petoskey_stones
gptkb:Petoskey_stone
|
|
gptkbp:bfsLayer
|
5
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Devonian period
|