Ludfordian Age
E538403
The Ludfordian Age is a late Silurian time interval characterized by significant marine biodiversity changes and notable graptolite and conodont fossil assemblages.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ludfordian Age canonical | 1 |
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic unit
ⓘ
geologic age ⓘ |
| associatedWith |
Lau extinction event
ⓘ
changes in conodont diversity ⓘ changes in graptolite diversity ⓘ reef ecosystem perturbations ⓘ |
| characterizedBy |
notable conodont fossil assemblages
ⓘ
notable graptolite fossil assemblages ⓘ significant marine biodiversity changes ⓘ |
| chronologicalContext |
after mid-Silurian biodiversification
ⓘ
before Pridoli faunal assemblages ⓘ |
| contains | Lau Event ⓘ |
| correspondsTo | Ludfordian Stage NERFINISHED ⓘ |
| definedBy | Global Boundary Stratotype Section and Point NERFINISHED ⓘ |
| discipline |
paleontology
ⓘ
stratigraphy ⓘ |
| follows | Gorstian Age ⓘ |
| fossilRecord |
abundant conodonts
ⓘ
abundant graptolites ⓘ brachiopods ⓘ corals ⓘ |
| governingBody | International Commission on Stratigraphy NERFINISHED ⓘ |
| GSSPLocation | Ludford Lane, near Ludlow, Shropshire, England NERFINISHED ⓘ |
| namedAfter | Ludford, Shropshire, England NERFINISHED ⓘ |
| paleogeography | dominantly marine environments ⓘ |
| partOf |
Ludlow Epoch
NERFINISHED
ⓘ
Ludlow Series NERFINISHED ⓘ Paleozoic Era NERFINISHED ⓘ Silurian Period NERFINISHED ⓘ |
| positionInTimeScale | late Silurian ⓘ |
| precedes | Pridoli Epoch NERFINISHED ⓘ |
| stratigraphicUsage | upper Ludlow Series ⓘ |
| subdivisionOf | Silurian System NERFINISHED ⓘ |
| timeScaleRank | age ⓘ |
| usedFor | correlation of Silurian marine strata ⓘ |
| usedIn | international geologic time scale NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.