Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mass extinction event
|
| gptkbp:affects |
gptkb:ammonites
biodiversity marine life jawless fish brachiopods evolution of vertebrates trilobites terrestrial ecosystems reef-building organisms |
| gptkbp:alsoKnownAs |
gptkb:Devonian_extinction
|
| gptkbp:beganIn |
approximately 375 million years ago
|
| gptkbp:causedBy |
gptkb:volcanic_activity
global cooling anoxia asteroid impact (hypothesized) plant evolution (hypothesized) |
| gptkbp:endDate |
approximately 359 million years ago
|
| gptkbp:extinctionRate |
about 70-80% of species
|
| gptkbp:followedBy |
gptkb:Carboniferous_period
|
| https://www.w3.org/2000/01/rdf-schema#label |
Late Devonian extinction
|
| gptkbp:notableEvent |
gptkb:Hangenberg_event
gptkb:Kellwasser_event |
| gptkbp:occurredIn |
gptkb:Devonian_period
|
| gptkbp:precededBy |
gptkb:Early_Devonian
|
| gptkbp:bfsParent |
gptkb:Devonian_period
|
| gptkbp:bfsLayer |
4
|