Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:beganIn |
504.5 million years ago
|
| gptkbp:endDate |
500.5 million years ago
|
| gptkbp:followedBy |
Wuliuan Stage
|
| gptkbp:GSSP_location |
Wheeler Shale, Utah, USA
|
| gptkbp:GSSP_ratified |
2006
|
| https://www.w3.org/2000/01/rdf-schema#label |
Drumian Stage
|
| gptkbp:lower_boundary_defined_by |
first appearance of Ptychagnostus atavus
|
| gptkbp:namedAfter |
gptkb:Drum_Mountains
|
| gptkbp:partOf |
gptkb:Cambrian_Period
gptkb:Miaolingian_Series |
| gptkbp:precededBy |
gptkb:Guzhangian_Stage
|
| gptkbp:stratigraphicUnitOf |
gptkb:International_Commission_on_Stratigraphy
|
| gptkbp:upper_boundary_defined_by |
first appearance of Lejopyge laevigata
|
| gptkbp:bfsParent |
gptkb:Series_3_of_Cambrian
|
| gptkbp:bfsLayer |
7
|