Permian

GPTKB entity

Statements (55)
Predicate Object
gptkbp:instance_of gptkb:rock_formations
gptkbp:characterized_by diverse marine life
gptkbp:climate varied from tropical to arid
gptkbp:duration approximately 47 million years
gptkbp:end_period 252 million years ago
gptkbp:followed_by Triassic
gptkbp:fossil_record gptkb:dinosaurs
gptkb:Iguanodon
gptkb:Pelican
gptkb:Mega_Evolution
gptkb:Triceratops
gptkb:Carcharodontosaurus
gptkb:Diplodocus
gptkb:Giganotosaurus
gptkb:Therizinosaurus
gptkb:Acanthostega
gptkb:Cynognathus
gptkb:Edaphosaurus
gptkb:Mastodonsaurus
gptkb:Sphenacodon
gptkb:Woolly_mammoth
gptkb:Styracosaurus
gptkb:Drepanosaurus
gptkb:Velociraptor
gptkb:Gorgonopsids
gptkb:Thymeleaf
gptkb:Dunkleosteus
gptkb:Parasaurolophus
gptkb:Megatherium
gptkbp:geological_formation gptkb:Permian_Basin
gptkb:Zechstein_Formation
Cisuralian
Guadalupian
Lopingian
Wolfcampian
https://www.w3.org/2000/01/rdf-schema#label Permian
gptkbp:major_landmass gptkb:Pangaea
gptkbp:notable_event gptkb:Permian-Triassic_extinction_event
formation of coal deposits
evolution of early reptiles
extinction of many marine species
climate change leading to extinction events
development of amphibians
development of therapsids
formation of deserts in the interior of Pangaea
formation of extensive reef systems
rise of synapsids
gptkbp:notable_species gptkb:ammonites
seed ferns
gptkbp:preceded_by Carboniferous
gptkbp:subdivisions gptkb:Upper_Permian
Lower Permian
gptkbp:bfsParent gptkb:Kaibab_Limestone
gptkb:Supai_Group
gptkbp:bfsLayer 5