Sheinwoodian
E790784
The Sheinwoodian is an early subdivision of the Silurian Period’s Wenlock epoch, used in geology and paleontology to date and correlate rock layers and fossils.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sheinwoodian canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9323620 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sheinwoodian Context triple: [Wenlock, containsStage, Sheinwoodian]
-
A.
Cynthian
Cynthian is the former name of the city now known as Dallas in Polk County, Oregon.
-
B.
Magrathean
Magratheans are a fictional, highly advanced planet-building species from Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series.
-
C.
Scarsdalian
Scarsdalian is the term used to refer to a resident or native of Scarsdale, a suburban town in Westchester County, New York.
-
D.
Gwathmey
Gwathmey is the surname of Charles Gwathmey, a prominent American architect known for his influential modernist designs.
-
E.
Shorne
Shorne is a village in north-west Kent, England, known for its rural character and proximity to the Shorne Woods Country Park.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sheinwoodian Target entity description: The Sheinwoodian is an early subdivision of the Silurian Period’s Wenlock epoch, used in geology and paleontology to date and correlate rock layers and fossils.
-
A.
Cynthian
Cynthian is the former name of the city now known as Dallas in Polk County, Oregon.
-
B.
Magrathean
Magratheans are a fictional, highly advanced planet-building species from Douglas Adams' "The Hitchhiker's Guide to the Galaxy" series.
-
C.
Scarsdalian
Scarsdalian is the term used to refer to a resident or native of Scarsdale, a suburban town in Westchester County, New York.
-
D.
Gwathmey
Gwathmey is the surname of Charles Gwathmey, a prominent American architect known for his influential modernist designs.
-
E.
Shorne
Shorne is a village in north-west Kent, England, known for its rural character and proximity to the Shorne Woods Country Park.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf | geologic age ⓘ |
| approximateEnd | 430.5 million years ago ⓘ |
| approximateStart | 433.4 million years ago ⓘ |
| associatedWith |
brachiopod faunas
ⓘ
graptolite biozones ⓘ reefal carbonate development in some regions ⓘ |
| chronologicalPosition |
early Wenlock
ⓘ
post-Llandovery ⓘ pre-Ludlow ⓘ |
| correlates |
regional Silurian stages in Asia
ⓘ
regional Silurian stages in Europe ⓘ regional Silurian stages in North America ⓘ |
| definedBy | Global Boundary Stratotype Section and Point (GSSP) NERFINISHED ⓘ |
| discipline |
historical geology
ⓘ
stratigraphy ⓘ |
| endBoundaryDefinedBy | first appearance datum of the graptolite Cyrtograptus lundgreni ⓘ |
| follows | Telychian ⓘ |
| globalScope | used as a global standard stage ⓘ |
| lithostratigraphicUse | correlation of marine sedimentary sequences ⓘ |
| lowerBoundaryTypeSection | Ludlow, Shropshire, England NERFINISHED ⓘ |
| namedAfter | Sheinwood, near Ludlow, England NERFINISHED ⓘ |
| partOf |
Paleozoic Era
NERFINISHED
ⓘ
Silurian Period NERFINISHED ⓘ Wenlock Epoch NERFINISHED ⓘ |
| precedes | Homerian ⓘ |
| rank |
age
ⓘ
stage ⓘ |
| startBoundaryDefinedBy | first appearance datum of the graptolite Cyrtograptus centrifugus ⓘ |
| subdivisionOf | Silurian System NERFINISHED ⓘ |
| timeScaleFramework | International Commission on Stratigraphy time scale ⓘ |
| usedFor |
correlating fossil assemblages
ⓘ
correlating rock strata ⓘ dating fossils ⓘ dating rock layers ⓘ |
| usedIn |
geology
ⓘ
paleontology ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Sheinwoodian Description of subject: The Sheinwoodian is an early subdivision of the Silurian Period’s Wenlock epoch, used in geology and paleontology to date and correlate rock layers and fossils.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.