Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:geological_formation
|
| gptkbp:bfsLayer |
6
|
| gptkbp:bfsParent |
gptkb:Late_Ordovician_mass_extinction
gptkb:The_Late_Ordovician_Mass_Extinction |
| gptkbp:duration |
approximately 3 million years
|
| gptkbp:ends_at |
442.8 million years ago
|
| gptkbp:follows |
Katian
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hirnantian
|
| gptkbp:is_characterized_by |
mass extinction
|
| gptkbp:launched |
445.2 million years ago
|
| gptkbp:named_after |
Hirnant
|
| gptkbp:notable_for |
diversity of marine life
|
| gptkbp:part_of |
Ordovician
|
| gptkbp:precedes |
Rhuddanian
|