Serravallian
E905200
The Serravallian is a stage of the Middle Miocene epoch characterized by significant global climatic cooling and important marine and terrestrial fossil assemblages.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Serravallian canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11115286 — 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: Serravallian Context triple: [Middle Miocene, containsStage, Serravallian]
-
A.
Valdichiana
Valdichiana is a fertile valley in central Italy, spanning parts of Tuscany and Umbria, known for its agriculture, historic hill towns, and Etruscan heritage.
-
B.
Savarese
Savarese is an Italian surname most notably associated with former professional footballer and coach Giovanni Savarese.
-
C.
Severini
Severini is an Italian surname most notably associated with the Futurist painter Gino Severini.
-
D.
Verghereto
Verghereto is a small Italian municipality in the Emilia-Romagna region, known for its mountainous Apennine landscape and proximity to the sources of major rivers like the Tiber.
-
E.
Parlasco
Parlasco is a small village and municipality in the Lombardy region of northern Italy, situated in the mountainous area of the Province of Lecco.
- 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: Serravallian Target entity description: The Serravallian is a stage of the Middle Miocene epoch characterized by significant global climatic cooling and important marine and terrestrial fossil assemblages.
-
A.
Valdichiana
Valdichiana is a fertile valley in central Italy, spanning parts of Tuscany and Umbria, known for its agriculture, historic hill towns, and Etruscan heritage.
-
B.
Savarese
Savarese is an Italian surname most notably associated with former professional footballer and coach Giovanni Savarese.
-
C.
Severini
Severini is an Italian surname most notably associated with the Futurist painter Gino Severini.
-
D.
Verghereto
Verghereto is a small Italian municipality in the Emilia-Romagna region, known for its mountainous Apennine landscape and proximity to the sources of major rivers like the Tiber.
-
E.
Parlasco
Parlasco is a small village and municipality in the Lombardy region of northern Italy, situated in the mountainous area of the Province of Lecco.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic stage
ⓘ
geologic age ⓘ |
| associatedWith |
eustatic sea-level fluctuations
ⓘ
expansion of Antarctic ice sheets ⓘ |
| biologicalSignificance |
changes in marine mammal faunas
ⓘ
turnover in marine plankton communities ⓘ |
| characterizedBy |
global climatic cooling
ⓘ
marine fossil assemblages ⓘ terrestrial fossil assemblages ⓘ |
| chronologicalPosition |
after Langhian
ⓘ
before Tortonian ⓘ |
| climateState | cooler and more variable than early Miocene ⓘ |
| climateTrend | cooling relative to Langhian ⓘ |
| contains |
important marine microfossil records
ⓘ
important mollusk assemblages ⓘ important vertebrate fossil assemblages ⓘ |
| correlatesWith | regional European Miocene stages ⓘ |
| definingBody | International Commission on Stratigraphy ⓘ |
| duration | about 2.2 million years ⓘ |
| endTime | 11.63 million years ago ⓘ |
| followedBy | Tortonian ⓘ |
| follows | Langhian ⓘ |
| geologicTimeScale |
Cenozoic
ⓘ
Phanerozoic eon ⓘ
linked to:
Phanerozoic Eon
|
| GSSPDefined | yes ⓘ |
| GSSPDefinedBy |
first occurrence of planktonic foraminifer Globigerinoides subquadratus
ⓘ
magnetostratigraphic data ⓘ |
| GSSPLocation |
Malta
ⓘ
Ras il-Pellegrin section ⓘ |
| lithostratigraphicUsage | basis for correlation of Miocene marine strata ⓘ |
| namedAfter |
Italy
ⓘ
Serravalle Scrivia ⓘ |
| oceanographicChange | strengthening of Antarctic Circumpolar Current ⓘ |
| paleogeography | continued closure of Tethys seaway remnants ⓘ |
| partOf |
Middle Miocene
ⓘ
Miocene ⓘ Neogene ⓘ |
| partOfStratigraphicScale | International Chronostratigraphic Chart ⓘ |
| positionInMiocene | second stage of Middle Miocene ⓘ |
| rank | stage ⓘ |
| standardAbbreviation | Sv ⓘ |
| startTime | 13.82 million years ago ⓘ |
| timeSpan |
Middle Miocene epoch
ⓘ
linked to:
Middle Miocene
|
| usedIn |
biostratigraphy
ⓘ
paleoceanography ⓘ paleoclimatology ⓘ |
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: Serravallian Description of subject: The Serravallian is a stage of the Middle Miocene epoch characterized by significant global climatic cooling and important marine and terrestrial fossil assemblages.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.