|
gptkbp:instanceOf
|
gptkb:geological_formation
|
|
gptkbp:climate
|
varied from warm to glaciated
|
|
gptkbp:contains
|
gptkb:Silurian_period
gptkb:Cambrian_period
gptkb:Carboniferous_period
gptkb:Ordovician_period
gptkb:Permian_period
gptkb:Devonian_period
|
|
gptkbp:endDate
|
gptkb:Permian-Triassic_extinction_event
about 252 million years ago
|
|
gptkbp:followedBy
|
gptkb:Mesozoic_era
|
|
gptkbp:majorLifeForms
|
amphibians
ferns
early reptiles
lycophytes
brachiopods
trilobites
|
|
gptkbp:notableFor
|
gptkb:Cambrian_explosion
appearance of amphibians
appearance of reptiles
colonization of land by plants
development of early fish
formation of Pangaea
|
|
gptkbp:partOf
|
gptkb:Phanerozoic_eon
|
|
gptkbp:precededBy
|
gptkb:Precambrian_supereon
|
|
gptkbp:significance
|
development of extensive forests
evolution of vertebrates
first appearance of hard-shelled animals
|
|
gptkbp:startDate
|
about 541 million years ago
|
|
gptkbp:bfsParent
|
gptkb:Silurian_period
gptkb:Ordovician_period
gptkb:Pteridophyta
gptkb:Permian_period
gptkb:Mosses
gptkb:Devonian_period
gptkb:Anti-Atlas
gptkb:Great_Dividing_Range
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Paleozoic era
|