Jamesoni Zone
E727673
The Jamesoni Zone is a biostratigraphic interval within the Early Jurassic fossil record, characterized by the presence of specific ammonite species used to date and correlate Pliensbachian-age rock layers.
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
ammonite zone
ⓘ
biostratigraphic interval ⓘ biostratigraphic zone ⓘ |
| appliesTo | sedimentary rock successions ⓘ |
| associatedWithEnvironment | marine depositional settings ⓘ |
| biostratigraphicFunction | index interval for ammonite species ⓘ |
| characterizedBy | specific ammonite assemblages ⓘ |
| chronostratigraphicPosition | within Pliensbachian Stage ⓘ |
| correlates | Pliensbachian-age rock layers ⓘ |
| definedByFossilGroup | ammonites ⓘ |
| fossilContentType |
cephalopods
ⓘ
marine invertebrates ⓘ |
| geologicAgeContext | Mesozoic Era NERFINISHED ⓘ |
| geologicTimeSubdivisionOf | Pliensbachian NERFINISHED ⓘ |
| hasStratigraphicRank | zone ⓘ |
| lithostratigraphicApplication | correlation of Pliensbachian sedimentary successions ⓘ |
| partOf | Early Jurassic NERFINISHED ⓘ |
| temporalPosition | Early Jurassic Period NERFINISHED ⓘ |
| temporalResolution | high-resolution subdivision of Pliensbachian ⓘ |
| usedBy |
paleontologists
ⓘ
stratigraphers ⓘ |
| usedFor |
biostratigraphic correlation
ⓘ
relative dating of rock layers ⓘ |
| usedIn |
Jurassic stratigraphy
ⓘ
ammonite biostratigraphy ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.