Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geological_formation
|
| gptkbp:beganIn |
approximately 359 million years ago
|
| gptkbp:characterizedBy |
high oxygen levels
widespread swampy environments |
| gptkbp:dividedInto |
gptkb:Pennsylvanian
Mississippian |
| gptkbp:endDate |
approximately 299 million years ago
|
| gptkbp:followedBy |
gptkb:Devonian_system
|
| gptkbp:namedAfter |
carbon (coal)
|
| gptkbp:namedFor |
gptkb:William_Conybeare
gptkb:William_Phillips |
| gptkbp:notableFor |
evolution of amphibians
first appearance of reptiles extensive coal formation large forests of lycophytes and ferns |
| gptkbp:partOf |
gptkb:Paleozoic_era
|
| gptkbp:precededBy |
gptkb:Permian_system
|
| gptkbp:bfsParent |
gptkb:Devonian_system
gptkb:Permian_system |
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Carboniferous system
|