Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Cambrian stage
|
| gptkbp:alsoKnownAs |
Cambrian Series 2, Stage 4
|
| gptkbp:followedBy |
gptkb:Stage_3_(Cambrian)
|
| gptkbp:geochronologicalRank |
gptkb:theatre
|
| https://www.w3.org/2000/01/rdf-schema#label |
Stage 4 (Cambrian)
|
| gptkbp:lowerBoundaryDefiningEvent |
First appearance of trilobite genus Olenellus or Redlichia
|
| gptkbp:partOf |
gptkb:Cambrian_Period
gptkb:Cambrian_Series_2 |
| gptkbp:precededBy |
gptkb:Wuliuan
|
| gptkbp:timeEnd |
509 million years ago
|
| gptkbp:timeStart |
514 million years ago
|
| gptkbp:upperBoundaryDefiningEvent |
First appearance of trilobite genus Oryctocephalus indicus
|
| gptkbp:bfsParent |
gptkb:Series_2_(Cambrian)
gptkb:Wuliuan |
| gptkbp:bfsLayer |
7
|