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gptkbp:instance_of
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gptkb:geological_formation
|
|
gptkbp:bfsLayer
|
3
|
|
gptkbp:bfsParent
|
gptkb:galaxy
|
|
gptkbp:climate
|
varied from warm to cool
|
|
gptkbp:ends_at
|
252 million years ago
|
|
gptkbp:follows
|
Neoproterozoic Era
|
|
gptkbp:fossil_record
|
gptkb:galaxy
gptkb:Ammonites
gptkb:Ammonoids
gptkb:Dunkleosteus
gptkb:Eurypterids
gptkb:Graptolites
gptkb:Trilobites
Ferns
Bivalves
Corals
Gastropods
Cycads
Conifers
Ginkgoes
Lycophytes
Seed ferns
|
|
gptkbp:geographical_feature
|
supercontinent Gondwana
supercontinent Pangaea
supercontinent Pannotia
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Paleozoic Era
|
|
gptkbp:includes
|
gptkb:Cambrian_Period
gptkb:Carboniferous_Period
gptkb:Permian_Period
gptkb:Silurian_Period
Devonian Period
Ordovician Period
|
|
gptkbp:is_characterized_by
|
diversification of life
|
|
gptkbp:is_divided_into
|
six periods
|
|
gptkbp:launched
|
541 million years ago
|
|
gptkbp:lifespan
|
gptkb:dinosaur
gptkb:island
gptkb:opera
gptkb:fish
gptkb:ammonites
insects
sponges
land plants
fossilized trees
early reptiles
early amphibians
|
|
gptkbp:notable_event
|
gptkb:Great_Ordovician_Biodiversification
gptkb:Late_Devonian_extinction
gptkb:Permian-Triassic_extinction_event
|
|
gptkbp:precedes
|
gptkb:Mesozoic_Era
|
|
gptkbp:saw
|
mass extinction events
first land plants
first amphibians
first reptiles
|