Statements (20)
Predicate | Object |
---|---|
gptkbp:instanceOf |
mass extinction event
|
gptkbp:affects |
terrestrial vertebrates
|
gptkbp:alsoKnownAs |
Olson’s Gap
|
gptkbp:characterizedBy |
high extinction rates
|
gptkbp:debatedBy |
timing and severity
|
gptkbp:discoveredBy |
Everett C. Olson
|
gptkbp:evidence |
fossil record gap
|
gptkbp:followedBy |
gptkb:Permian–Triassic_extinction_event
|
https://www.w3.org/2000/01/rdf-schema#label |
Olson’s Extinction
|
gptkbp:impact |
decline of synapsids
rise of therapsids |
gptkbp:location |
gptkb:Pangaea
|
gptkbp:namedAfter |
Everett C. Olson
|
gptkbp:occurredIn |
gptkb:Permian_period
gptkb:Guadalupian_epoch |
gptkbp:period |
approximately 273 to 259 million years ago
|
gptkbp:precededBy |
Carboniferous Rainforest Collapse
|
gptkbp:significance |
major faunal turnover
|
gptkbp:bfsParent |
gptkb:Guadalupian–Lopingian_extinction_event
|
gptkbp:bfsLayer |
8
|