Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:characterizedBy |
high sea levels
diverse marine life glaciation events |
| gptkbp:climate |
cooling trend
|
| gptkbp:contains |
gptkb:Hirnantian
gptkb:Katian |
| gptkbp:continent |
Gondwana near the South Pole
|
| gptkbp:duration |
about 15 million years
|
| gptkbp:endDate |
approximately 443 million years ago
|
| gptkbp:followedBy |
gptkb:Middle_Ordovician
|
| https://www.w3.org/2000/01/rdf-schema#label |
Late Ordovician
|
| gptkbp:majorFossils |
brachiopods
conodonts graptolites trilobites |
| gptkbp:notableEvent |
gptkb:Late_Ordovician_mass_extinction
|
| gptkbp:partOf |
gptkb:Ordovician
|
| gptkbp:precededBy |
gptkb:Silurian
|
| gptkbp:startDate |
approximately 458 million years ago
|
| gptkbp:bfsParent |
gptkb:Cincinnatian
gptkb:Ordovician |
| gptkbp:bfsLayer |
6
|