Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:characterizedBy |
gptkb:Great_Ordovician_Biodiversification_Event
diversification of marine life |
| gptkbp:continent |
Gondwana dominant
|
| gptkbp:endDate |
458 million years ago
|
| gptkbp:followedBy |
gptkb:Early_Ordovician
|
| https://www.w3.org/2000/01/rdf-schema#label |
Middle Ordovician
|
| gptkbp:marineTransgression |
high sea levels
|
| gptkbp:notableSite |
brachiopods
conodonts graptolites trilobites |
| gptkbp:partOf |
gptkb:Ordovician
|
| gptkbp:precededBy |
gptkb:Late_Ordovician
|
| gptkbp:stageName |
gptkb:Dapingian
gptkb:Darriwilian |
| gptkbp:startDate |
470 million years ago
|
| gptkbp:bfsParent |
gptkb:Taconic_orogeny
gptkb:Ordovician |
| gptkbp:bfsLayer |
6
|