Furongian
E413994
Furongian is the late epoch of the Cambrian Period, marking the final stage of early Paleozoic marine life diversification before the Ordovician.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Furongian canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4108366 — 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: Furongian Context triple: [Cambrian Period, subdividedInto, Furongian]
-
A.
Siderian Period
The Siderian Period is the earliest division of the Paleoproterozoic, marked by widespread banded iron formation deposition and the initial rise of atmospheric oxygen on Earth.
-
B.
Wuchiapingian
Wuchiapingian is a late Permian age in the geologic timescale, notable for significant evolutionary changes and environmental shifts preceding the end-Permian mass extinction.
-
C.
Hettangian stage
The Hettangian stage is the earliest age of the Jurassic Period, marking the beginning of the Mesozoic era’s Jurassic system in the geologic time scale.
-
D.
Toarcian
The Toarcian is a stage of the Early Jurassic period characterized by significant marine life diversification and notable oceanic anoxic events.
-
E.
Silurian
The Silurian is a geologic period of the Paleozoic Era, roughly 443 to 419 million years ago, marked by the stabilization of Earth’s climate, widespread shallow seas, and significant diversification of early marine life and the first land plants.
- 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: Furongian Target entity description: Furongian is the late epoch of the Cambrian Period, marking the final stage of early Paleozoic marine life diversification before the Ordovician.
-
A.
Siderian Period
The Siderian Period is the earliest division of the Paleoproterozoic, marked by widespread banded iron formation deposition and the initial rise of atmospheric oxygen on Earth.
-
B.
Wuchiapingian
Wuchiapingian is a late Permian age in the geologic timescale, notable for significant evolutionary changes and environmental shifts preceding the end-Permian mass extinction.
-
C.
Hettangian stage
The Hettangian stage is the earliest age of the Jurassic Period, marking the beginning of the Mesozoic era’s Jurassic system in the geologic time scale.
-
D.
Toarcian
The Toarcian is a stage of the Early Jurassic period characterized by significant marine life diversification and notable oceanic anoxic events.
-
E.
Silurian
The Silurian is a geologic period of the Paleozoic Era, roughly 443 to 419 million years ago, marked by the stabilization of Earth’s climate, widespread shallow seas, and significant diversification of early marine life and the first land plants.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
chronostratigraphic unit
ⓘ
geologic epoch ⓘ |
| biota |
dominated by trilobites
ⓘ
includes archaeocyaths decline ⓘ includes early brachiopods ⓘ includes early echinoderms ⓘ includes small shelly fossils ⓘ |
| biozonation | defined by trilobite and conodont zones ⓘ |
| chronology | Late Cambrian ⓘ |
| contains |
Paibian Stage
ⓘ
surface form:
Jiangshanian Stage
Paibian Stage ⓘ Stage 10 of the Cambrian (unnamed formal stage) ⓘ |
| correlatesWith | traditional Late Cambrian in older literature ⓘ |
| duration | about 11.6 million years ⓘ |
| end | approximately 485.4 million years ago ⓘ |
| endBoundaryUncertainty | about ±1.9 million years ⓘ |
| eon | Phanerozoic Eon ⓘ |
| era | Paleozoic Era NERFINISHED ⓘ |
| follows | Miaolingian ⓘ |
| formalizedBy | International Commission on Stratigraphy ⓘ |
| GSSPRegion |
Newfoundland for top
ⓘ
South China for base ⓘ |
| ICSStatus | ratified epoch of the Cambrian ⓘ |
| lithostratigraphy | represented mainly by marine sedimentary rocks ⓘ |
| lowerBoundaryDefinedBy | first appearance datum of trilobite Glyptagnostus reticulatus ⓘ |
| lowerBoundaryGSSP | Paibi, Hunan, China ⓘ |
| marineLife | characterized by diversification of early Paleozoic marine faunas ⓘ |
| nameOrigin | derived from "Furong", an old name for Hunan, China ⓘ |
| paleoclimate | generally warm greenhouse conditions ⓘ |
| paleogeography | associated with breakup and dispersal of Cambrian continents ⓘ |
| partOf |
Cambrian Period
ONNED1
ⓘ
Paleozoic Era NERFINISHED ⓘ |
| positionInCambrian | third and youngest epoch of the Cambrian ⓘ |
| precedes | Ordovician Period ⓘ |
| rank | epoch ⓘ |
| significance | marks the final stage of early Paleozoic marine diversification before the Ordovician radiation ⓘ |
| start | approximately 497 million years ago ⓘ |
| startBoundaryUncertainty | about ±1.7 million years ⓘ |
| stratigraphicPosition |
Miaolingian
ⓘ
surface form:
overlies Miaolingian Series
underlies Lower Ordovician (Tremadocian) ⓘ |
| system | Cambrian System NERFINISHED ⓘ |
| timeScale |
International Chronostratigraphic Chart
ⓘ
surface form:
International Commission on Stratigraphy time scale
|
| upperBoundaryDefinedBy | base of the Tremadocian Stage of the Ordovician ⓘ |
| upperBoundaryGSSP |
Mistaken Point, Newfoundland, Canada
ⓘ
surface form:
Green Point, Newfoundland, Canada
|
| upperBoundaryMarker | first appearance datum of conodont Iapetognathus fluctivagus ⓘ |
| usedIn | global chronostratigraphic correlation ⓘ |
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: Furongian Description of subject: Furongian is the late epoch of the Cambrian Period, marking the final stage of early Paleozoic marine life diversification before the Ordovician.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.