Chengjiang biota
E780401
The Chengjiang biota is an exceptionally well-preserved Early Cambrian fossil assemblage from Yunnan, China, renowned for its diverse soft-bodied organisms that illuminate the early evolution of complex animal life.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Chengjiang biota canonical | 5 |
| Chengjiang Fossil Site | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9128548 — 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: Chengjiang biota Context triple: [Cambrian biota, includesFossilSiteBiota, Chengjiang biota]
-
A.
Yixian Formation
The Yixian Formation is an Early Cretaceous geological formation in northeastern China renowned for its exceptionally well-preserved fossils, including early mammals, feathered dinosaurs, and primitive birds.
-
B.
Cambrian biota
The Cambrian biota comprises the diverse and rapidly evolving array of animal life that appeared during the Cambrian explosion, marking a major expansion in complexity and the emergence of most major animal groups.
-
C.
Ediacaran biota
The Ediacaran biota comprises some of the earliest known complex multicellular organisms, featuring soft-bodied, enigmatic life forms that lived in the oceans before the Cambrian explosion.
-
D.
Burgess Shale fossil lagerstätte
The Burgess Shale fossil lagerstätte is a renowned Middle Cambrian rock formation in the Canadian Rockies famous for its exceptionally well-preserved soft-bodied fossils that reveal the diversity of early animal life.
-
E.
Tiaojishan Formation
The Tiaojishan Formation is a Middle to Late Jurassic geological formation in northeastern China renowned for its exceptionally well-preserved fossils, including early mammals, dinosaurs, and other vertebrates.
- 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: Chengjiang biota Target entity description: The Chengjiang biota is an exceptionally well-preserved Early Cambrian fossil assemblage from Yunnan, China, renowned for its diverse soft-bodied organisms that illuminate the early evolution of complex animal life.
-
A.
Yixian Formation
The Yixian Formation is an Early Cretaceous geological formation in northeastern China renowned for its exceptionally well-preserved fossils, including early mammals, feathered dinosaurs, and primitive birds.
-
B.
Cambrian biota
The Cambrian biota comprises the diverse and rapidly evolving array of animal life that appeared during the Cambrian explosion, marking a major expansion in complexity and the emergence of most major animal groups.
-
C.
Ediacaran biota
The Ediacaran biota comprises some of the earliest known complex multicellular organisms, featuring soft-bodied, enigmatic life forms that lived in the oceans before the Cambrian explosion.
-
D.
Burgess Shale fossil lagerstätte
The Burgess Shale fossil lagerstätte is a renowned Middle Cambrian rock formation in the Canadian Rockies famous for its exceptionally well-preserved soft-bodied fossils that reveal the diversity of early animal life.
-
E.
Tiaojishan Formation
The Tiaojishan Formation is a Middle to Late Jurassic geological formation in northeastern China renowned for its exceptionally well-preserved fossils, including early mammals, dinosaurs, and other vertebrates.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf | fossil Lagerstätte ⓘ |
| approximateAgeInMillionsOfYears | 518 ⓘ |
| comparedTo | Burgess Shale NERFINISHED ⓘ |
| containsFossilsOf |
Haikouichthys
NERFINISHED
ⓘ
Myllokunmingia NERFINISHED ⓘ Nectocaris-like forms ⓘ Pikaia-like chordates ⓘ Yunnanozoon NERFINISHED ⓘ anomalocaridids ⓘ arthropods ⓘ brachiopods ⓘ chordates ⓘ cnidarians ⓘ early deuterostomes ⓘ early protostomes ⓘ early vertebrate-like animals ⓘ echinoderms ⓘ fuxianhuiids ⓘ lobopodians ⓘ priapulids ⓘ sponges ⓘ trilobitomorphs ⓘ vetulicolians ⓘ |
| country | China ⓘ |
| discoveredBy | Hou Xian-guang NERFINISHED ⓘ |
| discoveredIn | 1984 ⓘ |
| geologicalAge |
Cambrian Series 2
NERFINISHED
ⓘ
Early Cambrian NERFINISHED ⓘ Qiongzhusian Stage NERFINISHED ⓘ |
| lithology |
fine-grained mudstone
ⓘ
shale ⓘ |
| locatedIn |
Chengjiang County
NERFINISHED
ⓘ
China ⓘ Maotianshan Shales NERFINISHED ⓘ Yunnan NERFINISHED ⓘ |
| notableFor |
Burgess Shale-type preservation
NERFINISHED
ⓘ
diverse soft-bodied organisms ⓘ early evolution of complex animal life ⓘ |
| partOf | Chengjiang fossil site NERFINISHED ⓘ |
| preservationType |
exceptional preservation
ⓘ
soft-tissue preservation ⓘ |
| providesEvidenceFor |
complex Cambrian ecosystems
ⓘ
early evolution of vertebrates ⓘ rapid diversification of metazoans ⓘ |
| recognizedAs | key record of the Cambrian explosion ⓘ |
| researchField |
evolutionary biology
ⓘ
paleontology ⓘ taphonomy ⓘ |
| UNESCOWorldHeritageCategory | Natural site ⓘ |
| UNESCOWorldHeritageInscriptionYear | 2012 ⓘ |
| UNESCOWorldHeritageStatus | World Heritage Site ⓘ |
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: Chengjiang biota Description of subject: The Chengjiang biota is an exceptionally well-preserved Early Cambrian fossil assemblage from Yunnan, China, renowned for its diverse soft-bodied organisms that illuminate the early evolution of complex animal life.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chengjiang Fossil Site