Ancylus transgression
E147735
The Ancylus transgression was a major early Holocene rise in the water level of the Baltic basin that reshaped shorelines and sedimentation patterns of the former Ancylus Lake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ancylus transgression canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1279487 — 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: Ancylus transgression Context triple: [Ancylus Lake, hasStratigraphicUnit, Ancylus transgression]
-
A.
Ancylus fluviatilis
Ancylus fluviatilis is a small freshwater limpet-like snail (an aquatic gastropod mollusk) commonly found in European rivers and streams.
-
B.
Pleistrus
Pleistrus is a minor figure in Greek mythology known primarily as a son of Helen of Troy.
-
C.
Hesperethusa
Hesperethusa is a genus of flowering plants in the citrus family Rutaceae, known for species such as Hesperethusa crenulata (also called Limonia crenulata) that are native to South and Southeast Asia.
-
D.
Oreortyx
Oreortyx is a small genus of New World quails best known for the mountain quail, a ground-dwelling game bird native to western North America.
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E.
Critobulus
Critobulus was an ancient Athenian known from Plato’s dialogues as the son of Crito and an associate of Socrates.
- 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: Ancylus transgression Target entity description: The Ancylus transgression was a major early Holocene rise in the water level of the Baltic basin that reshaped shorelines and sedimentation patterns of the former Ancylus Lake.
-
A.
Ancylus fluviatilis
Ancylus fluviatilis is a small freshwater limpet-like snail (an aquatic gastropod mollusk) commonly found in European rivers and streams.
-
B.
Pleistrus
Pleistrus is a minor figure in Greek mythology known primarily as a son of Helen of Troy.
-
C.
Hesperethusa
Hesperethusa is a genus of flowering plants in the citrus family Rutaceae, known for species such as Hesperethusa crenulata (also called Limonia crenulata) that are native to South and Southeast Asia.
-
D.
Oreortyx
Oreortyx is a small genus of New World quails best known for the mountain quail, a ground-dwelling game bird native to western North America.
-
E.
Critobulus
Critobulus was an ancient Athenian known from Plato’s dialogues as the son of Crito and an associate of Socrates.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Holocene transgression
ⓘ
geological event ⓘ paleogeographic event ⓘ |
| affects |
coastal morphology of the Baltic region
ⓘ
former Ancylus Lake ⓘ lacustrine and marine sediment distribution ⓘ |
| causes |
changes in sedimentation patterns in the Baltic basin
ⓘ
reshaping of shorelines of Ancylus Lake ⓘ rise in water level of the Baltic basin ⓘ |
| evidencedBy |
beach ridge complexes
ⓘ
deltaic deposits ⓘ lacustrine and brackish-water sediments ⓘ raised shorelines ⓘ |
| follows |
Ancylus Lake
ⓘ
surface form:
Ancylus Lake stage
Baltic Ice Lake ⓘ
surface form:
Baltic Ice Lake stage
|
| hasApproximateAge | early Holocene (roughly 10,000–8,000 years ago) ⓘ |
| hasCause |
changes in global sea level
ⓘ
glacio-isostatic uplift ⓘ melting of Pleistocene ice sheets ⓘ |
| hasEffect |
creation of transgressive sand and gravel deposits
ⓘ
drowning of low-lying coastal areas ⓘ formation of new shorelines ⓘ |
| hasLocation |
Baltic Sea drainage basin
ⓘ
surface form:
Baltic Sea region
Baltica ⓘ
surface form:
Baltic basin
Northern Europe ⓘ Scandinavia ⓘ |
| hasResearchMethod |
diatom analysis in sediment cores
ⓘ
radiocarbon dating of coastal sediments ⓘ seismic stratigraphy in Baltic basins ⓘ shoreline displacement analysis ⓘ |
| hasStratigraphicSignificance | marker horizon in Baltic basin Holocene stratigraphy ⓘ |
| hasTemporalPosition | early Holocene Baltic Sea evolution ⓘ |
| hasWaterBodyType | freshwater to slightly brackish environment ⓘ |
| influences |
distribution of early Holocene archaeological sites in the Baltic region
ⓘ
postglacial landscape development around the Baltic Sea ⓘ |
| isNamedAfter | Ancylus fluviatilis ⓘ |
| occursIn | early Holocene ⓘ |
| partOf | development of the Baltic Sea ⓘ |
| precedes |
Littorina Sea
ⓘ
surface form:
Littorina Sea stage
|
| relatedTo |
Ancylus Lake
ⓘ
Baltic Sea level history ⓘ Littorina transgression ⓘ |
| studiedIn |
Quaternary geology
ⓘ
paleogeography ⓘ paleolimnology ⓘ |
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: Ancylus transgression Description of subject: The Ancylus transgression was a major early Holocene rise in the water level of the Baltic basin that reshaped shorelines and sedimentation patterns of the former Ancylus Lake.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.