Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geological formation
|
| gptkbp:beganIn |
410.8 million years ago
|
| gptkbp:endDate |
407.6 million years ago
|
| gptkbp:followedBy |
gptkb:Lochkovian_Stage
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pragian Stage
|
| gptkbp:lowerBoundaryDefinedBy |
first appearance of the conodont Eognathodus sulcatus
|
| gptkbp:namedAfter |
gptkb:Prague
|
| gptkbp:partOf |
gptkb:Early_Devonian
|
| gptkbp:precededBy |
gptkb:Emsian_Stage
|
| gptkbp:stratigraphicUnitOf |
gptkb:Devonian_Period
|
| gptkbp:upperBoundaryDefinedBy |
first appearance of the conodont Polygnathus kitabicus
|
| gptkbp:usedIn |
gptkb:International_Commission_on_Stratigraphy_timescale
|
| gptkbp:bfsParent |
gptkb:Devonian_System
|
| gptkbp:bfsLayer |
7
|