Asselian
E392439
The Asselian is the earliest age of the Permian Period, marking the beginning of the Cisuralian epoch in the geologic timescale.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Asselian canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3843532 — 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: Asselian Context triple: [Permian Period, containsStage, Asselian]
-
A.
Aslian
Aslian is a branch of indigenous languages spoken primarily by the Orang Asli peoples of Peninsular Malaysia and parts of southern Thailand.
-
B.
Alanian
Alanian is an extinct Eastern Iranian language historically spoken by the Alans, an ancient nomadic people of the North Caucasus and Eurasian steppe.
-
C.
Aesernia
Aesernia was an important ancient town of the Samnite people in south-central Italy, later becoming a Roman colony.
-
D.
Bodéwadmi
Bodéwadmi are an Algonquian-speaking Indigenous people of the Great Lakes region in North America, known in English as the Potawatomi.
-
E.
Urdos
Urdos is a small commune in the Pyrénées-Atlantiques department of southwestern France, situated in the Pyrenees near the Spanish border.
- 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: Asselian Target entity description: The Asselian is the earliest age of the Permian Period, marking the beginning of the Cisuralian epoch in the geologic timescale.
-
A.
Aslian
Aslian is a branch of indigenous languages spoken primarily by the Orang Asli peoples of Peninsular Malaysia and parts of southern Thailand.
-
B.
Alanian
Alanian is an extinct Eastern Iranian language historically spoken by the Alans, an ancient nomadic people of the North Caucasus and Eurasian steppe.
-
C.
Aesernia
Aesernia was an important ancient town of the Samnite people in south-central Italy, later becoming a Roman colony.
-
D.
Bodéwadmi
Bodéwadmi are an Algonquian-speaking Indigenous people of the Great Lakes region in North America, known in English as the Potawatomi.
-
E.
Urdos
Urdos is a small commune in the Pyrénées-Atlantiques department of southwestern France, situated in the Pyrenees near the Spanish border.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic stage
ⓘ
geologic age ⓘ |
| characterizedBy |
cool to temperate climatic conditions in many regions
ⓘ
early diversification of Permian marine faunas ⓘ |
| chronologicalRank | age ⓘ |
| chronostratigraphicRank | stage ⓘ |
| contains | Asselian regional biostratigraphic zones ⓘ |
| correlatesWith |
lower part of Autunian (European regional stage)
ⓘ
lower part of Wolfcampian (North American regional stage) ⓘ |
| earliestAgeOf | Permian Period ⓘ |
| end | approximately 293.52 million years ago ⓘ |
| endUncertainty | ±0.17 million years ⓘ |
| follows | Gzhelian ⓘ |
| globalStratotypeSectionAndPointLocation | Usolka section, southern Ural Mountains, Russia ⓘ |
| GSSPDefinedBy | first appearance datum of conodont Streptognathodus isolatus ⓘ |
| GSSPRatificationYear | 1996 ⓘ |
| GSSPRatifiedBy | International Commission on Stratigraphy ⓘ |
| introducedBy | V. E. Ruzhenchev NERFINISHED ⓘ |
| introducedInYear | 1950s ⓘ |
| lowerBoundaryDefinedBy | first appearance of Streptognathodus isolatus ⓘ |
| marksBeginningOf | Cisuralian Epoch ⓘ |
| namedAfter | Assel River ⓘ |
| nameLanguage | Russian ⓘ |
| overlies | Gzhelian stage of the Carboniferous ⓘ |
| partOf |
Cisuralian Epoch
ⓘ
Paleozoic Era ⓘ Permian Period ⓘ Phanerozoic Eon ⓘ |
| positionInPermian | first stage of Cisuralian series ⓘ |
| precedes | Sakmarian ⓘ |
| start | approximately 298.9 million years ago ⓘ |
| startUncertainty | ±0.15 million years ⓘ |
| timeScaleUsedIn | International Chronostratigraphic Chart ⓘ |
| underlies | Sakmarian stage of the Permian ⓘ |
| upperBoundaryDefinedBy |
first appearance of conodont Mesogondolella bisselli
ⓘ
first appearance of conodont Sweetognathus merrilli ⓘ |
| usedIn | global correlation of Permian sedimentary rocks ⓘ |
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: Asselian Description of subject: The Asselian is the earliest age of the Permian Period, marking the beginning of the Cisuralian epoch in the geologic timescale.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.