Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mass extinction event
|
| gptkbp:affects |
gptkb:ammonites
marine life brachiopods trilobites reef-building organisms |
| gptkbp:alsoKnownAs |
gptkb:Late_Devonian_extinction
|
| gptkbp:beganIn |
approximately 375 million years ago
|
| gptkbp:causedBy |
gptkb:volcanic_activity
global cooling plant evolution anoxia possible asteroid impact |
| gptkbp:endDate |
approximately 360 million years ago
|
| gptkbp:extinctionRate |
about 70-80% of species
|
| gptkbp:followedBy |
gptkb:Carboniferous_period
|
| https://www.w3.org/2000/01/rdf-schema#label |
Devonian extinction event
|
| gptkbp:isOneOf |
five major extinction events
|
| gptkbp:notableFor |
collapse of reef ecosystems
series of extinction pulses |
| gptkbp:occurredIn |
gptkb:Devonian_period
|
| gptkbp:precededBy |
gptkb:Silurian_period
|
| gptkbp:bfsParent |
gptkb:Kellwassertal,_Germany
gptkb:Placoderms |
| gptkbp:bfsLayer |
6
|