Cnidaria
E15322
Cnidaria is a phylum of mostly marine animals, including jellyfish, corals, sea anemones, and hydras, characterized by radial symmetry and specialized stinging cells called cnidocytes.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Cnidaria canonical | 23 |
How this entity was disambiguated
This entity first appeared as the object of triple T72391 — 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: Cnidaria Context triple: [Animalia, includesPhylum, Cnidaria]
-
A.
Echinodermata
Echinodermata is a phylum of marine invertebrates that includes starfish, sea urchins, sand dollars, and sea cucumbers, characterized by radial symmetry and a water vascular system.
-
B.
Animalia
Animalia is the biological kingdom comprising all multicellular animals, characterized by eukaryotic, heterotrophic organisms that typically have specialized tissues and the ability to move.
-
C.
Protista
Protista is a diverse kingdom of mostly single-celled eukaryotic organisms that are neither animals, plants, nor fungi.
-
D.
Chordata
Chordata is a major animal phylum that includes all vertebrates and their closest invertebrate relatives, characterized by having a notochord at some stage of development.
-
E.
Cephalochordata
Cephalochordata is a subphylum of small, fish-like marine animals (such as lancelets) that retain a notochord throughout life and are important for understanding vertebrate evolution.
- 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: Cnidaria Target entity description: Cnidaria is a phylum of mostly marine animals, including jellyfish, corals, sea anemones, and hydras, characterized by radial symmetry and specialized stinging cells called cnidocytes.
-
A.
Echinodermata
Echinodermata is a phylum of marine invertebrates that includes starfish, sea urchins, sand dollars, and sea cucumbers, characterized by radial symmetry and a water vascular system.
-
B.
Animalia
Animalia is the biological kingdom comprising all multicellular animals, characterized by eukaryotic, heterotrophic organisms that typically have specialized tissues and the ability to move.
-
C.
Protista
Protista is a diverse kingdom of mostly single-celled eukaryotic organisms that are neither animals, plants, nor fungi.
-
D.
Chordata
Chordata is a major animal phylum that includes all vertebrates and their closest invertebrate relatives, characterized by having a notochord at some stage of development.
-
E.
Cephalochordata
Cephalochordata is a subphylum of small, fish-like marine animals (such as lancelets) that retain a notochord throughout life and are important for understanding vertebrate evolution.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf | phylum ⓘ |
| alsoFoundIn | freshwater ⓘ |
| bodyForm |
medusa
ⓘ
polyp ⓘ |
| bodySymmetry | radial symmetry ⓘ |
| characterizedBy |
alternation of polyp and medusa stages
ⓘ
cnidocytes ⓘ diploblastic body plan ⓘ gastrovascular cavity ⓘ nematocysts ⓘ radial symmetry ⓘ single body opening ⓘ |
| commonName | cnidarians ⓘ |
| containsSymbioticAssociationsWith |
photosynthetic dinoflagellates
ⓘ
zooxanthellae ⓘ |
| domain |
Eukaryota
ⓘ
linked to:
Eukarya
|
| ecologicalRole |
habitat formation
ⓘ
predator ⓘ prey ⓘ reef building ⓘ |
| feedingMode |
carnivorous
ⓘ
suspension feeding ⓘ |
| fossilRecordExtendsBackTo |
Ediacaran
ⓘ
linked to:
Neoproterozoic Era
Precambrian ⓘ |
| germLayers | ectoderm and endoderm ⓘ |
| hasCirculatorySystem | absent ⓘ |
| hasExcretorySystem | absent ⓘ |
| hasNervousSystem | nerve net ⓘ |
| hasOrganLevelOrganization | false ⓘ |
| hasRespiratorySystem | absent ⓘ |
| hasTissueLevelOrganization | true ⓘ |
| includesClass |
Anthozoa
ⓘ
Cubozoa ⓘ Hydrozoa ⓘ Scyphozoa ⓘ Staurozoa ⓘ |
| includesOrganismType |
corals
ⓘ
hydras ⓘ jellyfish ⓘ sea anemones ⓘ |
| kingdom | Animalia ⓘ |
| larvalStage | planula larva ⓘ |
| notableFeature |
simple body organization
ⓘ
stinging tentacles ⓘ |
| primaryHabitat | marine ⓘ |
| reproductionMode |
asexual reproduction
ⓘ
sexual reproduction ⓘ |
| skeletonType | hydrostatic skeleton ⓘ |
| someHaveSkeletonType |
calcium carbonate exoskeleton
ⓘ
proteinaceous skeleton ⓘ |
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: Cnidaria Description of subject: Cnidaria is a phylum of mostly marine animals, including jellyfish, corals, sea anemones, and hydras, characterized by radial symmetry and specialized stinging cells called cnidocytes.
Referenced by (23)
Full triples — surface form annotated when it differs from this entity's canonical label.