Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:alsoKnownAs |
Mississippian
|
| gptkbp:characterizedBy |
high atmospheric oxygen levels
early amphibians abundant marine limestones diverse crinoids first appearance of amniotes |
| gptkbp:dividedInto |
gptkb:Tournaisian
gptkb:Visean |
| gptkbp:endDate |
about 323 million years ago
|
| gptkbp:followedBy |
gptkb:Late_Carboniferous
|
| https://www.w3.org/2000/01/rdf-schema#label |
Early Carboniferous
|
| gptkbp:majorContinents |
gptkb:Gondwana
gptkb:Laurussia |
| gptkbp:notableSite |
amphibians
early reptiles brachiopods crinoids |
| gptkbp:partOf |
gptkb:Carboniferous
|
| gptkbp:precededBy |
gptkb:Devonian
|
| gptkbp:startDate |
about 359 million years ago
|
| gptkbp:bfsParent |
gptkb:Archaeopteris
|
| gptkbp:bfsLayer |
5
|