Trematoda
E534575
Trematoda is a class of parasitic flatworms, commonly known as flukes, that infect a wide range of animal hosts including humans.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T5516448 — 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: Trematoda Context triple: [Schistosoma mansoni, class, Trematoda]
-
A.
Monogenea
Monogenea is a class of parasitic flatworms, primarily ectoparasites on fish, characterized by a direct life cycle and specialized attachment organs.
-
B.
Cestoda
Cestoda is a class of parasitic flatworms commonly known as tapeworms, which live in the intestines of vertebrate hosts and absorb nutrients through their body surface.
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C.
Schistosomatidae
Schistosomatidae is a family of parasitic blood flukes (trematodes) that infect vertebrate hosts, including humans, and cause schistosomiasis.
-
D.
Platyhelminthes
Platyhelminthes is a phylum of simple, soft-bodied, bilaterally symmetrical invertebrates commonly known as flatworms, which includes both free-living and parasitic species.
-
E.
Taeniidae
Taeniidae is a family of parasitic tapeworms that infect the intestines of mammals, including humans, often causing significant medical and veterinary diseases.
- 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: Trematoda Target entity description: Trematoda is a class of parasitic flatworms, commonly known as flukes, that infect a wide range of animal hosts including humans.
-
A.
Monogenea
Monogenea is a class of parasitic flatworms, primarily ectoparasites on fish, characterized by a direct life cycle and specialized attachment organs.
-
B.
Cestoda
Cestoda is a class of parasitic flatworms commonly known as tapeworms, which live in the intestines of vertebrate hosts and absorb nutrients through their body surface.
-
C.
Schistosomatidae
Schistosomatidae is a family of parasitic blood flukes (trematodes) that infect vertebrate hosts, including humans, and cause schistosomiasis.
-
D.
Platyhelminthes
Platyhelminthes is a phylum of simple, soft-bodied, bilaterally symmetrical invertebrates commonly known as flatworms, which includes both free-living and parasitic species.
-
E.
Taeniidae
Taeniidae is a family of parasitic tapeworms that infect the intestines of mammals, including humans, often causing significant medical and veterinary diseases.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
class
ⓘ
parasitic flatworms ⓘ taxonomicRank ⓘ |
| bodyShape | dorsoventrally flattened ⓘ |
| bodySymmetry | bilateral symmetry ⓘ |
| canInfect |
birds
ⓘ
fish ⓘ humans ⓘ mammals ⓘ reptiles ⓘ |
| commonName | flukes ⓘ |
| diseaseAssociation | trematodiasis ⓘ |
| economicImpact |
public health importance
ⓘ
veterinary importance ⓘ |
| eggType | operculated eggs (most species) ⓘ |
| feedingType | endoparasite ⓘ |
| hasAttachmentOrgans |
oral sucker
ⓘ
ventral sucker (acetabulum) ⓘ |
| hasBodyCavity | acoelomate ⓘ |
| hasDigestiveSystem | incomplete digestive tract ⓘ |
| hasNervousSystem | ladder-like nervous system ⓘ |
| includesSubclass |
Aspidogastrea
ⓘ
Digenea ⓘ |
| isParasitic | true ⓘ |
| kingdom | Animalia ⓘ |
| larvalStage |
cercaria
ⓘ
metacercaria ⓘ miracidium ⓘ redia ⓘ sporocyst ⓘ |
| lifeCycleType | complex life cycle ⓘ |
| notableGenus |
Clonorchis
ⓘ
Fasciola ⓘ Opisthorchis ⓘ Paragonimus ⓘ Schistosoma ⓘ |
| phylum | Platyhelminthes ⓘ |
| reproductionMode |
asexual reproduction in intermediate host
ⓘ
mostly hermaphroditic ⓘ sexual reproduction in definitive host ⓘ |
| requiresIntermediateHost | true ⓘ |
| subphylum | Neodermata ⓘ |
| superclass | Trematoda (sensu lato) ⓘ |
| typicalDefinitiveHost | vertebrates ⓘ |
| typicalHabitat |
bile ducts
ⓘ
blood vessels ⓘ internal organs of vertebrates ⓘ intestine ⓘ |
| typicalIntermediateHost |
freshwater snails
ⓘ
molluscs ⓘ |
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: Trematoda Description of subject: Trematoda is a class of parasitic flatworms, commonly known as flukes, that infect a wide range of animal hosts including humans.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Trematoda