Acanthocephala
E394916
Acanthocephala is a phylum of parasitic worms, commonly known as thorny-headed worms, characterized by a spiny proboscis used to attach to the intestines of their hosts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Acanthocephala canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T3841555 — 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: Acanthocephala Context triple: [Lophotrochozoa, includesTaxon, Acanthocephala]
-
A.
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.
-
B.
Nematoda
Nematoda is a diverse phylum of elongated, unsegmented roundworms found in nearly every habitat on Earth, many of which are important parasites of plants, animals, and humans.
-
C.
Nemertea
Nemertea, commonly known as ribbon worms, is a phylum of mostly marine, elongated, often brightly colored worms distinguished by their unique eversible proboscis used for hunting.
-
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.
Monogenea
Monogenea is a class of parasitic flatworms, primarily ectoparasites on fish, characterized by a direct life cycle and specialized attachment organs.
- 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: Acanthocephala Target entity description: Acanthocephala is a phylum of parasitic worms, commonly known as thorny-headed worms, characterized by a spiny proboscis used to attach to the intestines of their hosts.
-
A.
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.
-
B.
Nematoda
Nematoda is a diverse phylum of elongated, unsegmented roundworms found in nearly every habitat on Earth, many of which are important parasites of plants, animals, and humans.
-
C.
Nemertea
Nemertea, commonly known as ribbon worms, is a phylum of mostly marine, elongated, often brightly colored worms distinguished by their unique eversible proboscis used for hunting.
-
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.
Monogenea
Monogenea is a class of parasitic flatworms, primarily ectoparasites on fish, characterized by a direct life cycle and specialized attachment organs.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
phylum
ⓘ
taxon ⓘ |
| attachmentOrgan | proboscis with hooks ⓘ |
| bodySymmetry | bilateral symmetry ⓘ |
| causesDisease | acanthocephaliasis ⓘ |
| characterizedBy |
absence of digestive tract
ⓘ
eversible proboscis ⓘ obligate endoparasitism ⓘ spiny proboscis ⓘ |
| commonName |
spiny-headed worms
ⓘ
thorny-headed worms ⓘ |
| describedAs | parasitic worms ⓘ |
| distribution | worldwide ⓘ |
| fertilization | internal fertilization ⓘ |
| firstDescribedBy |
Karl Asmund Rudolphi
ⓘ
surface form:
Karl Rudolphi
|
| firstDescriptionYear | 1809 ⓘ |
| habitat | intestine of vertebrate hosts ⓘ |
| hasBodyCavity | pseudocoelom ⓘ |
| hasExcretorySystem | protonephridial system ⓘ |
| hasIntermediateHost |
arthropods
ⓘ
crustaceans ⓘ insects ⓘ |
| hasNervousSystem | simple nervous system ⓘ |
| hasSexes | dioecious ⓘ |
| hasSpeciesCountApprox | over 1300 species ⓘ |
| hostInfectionRoute | ingestion of infected intermediate host ⓘ |
| kingdom | Animalia ⓘ |
| lifeCycle | indirect life cycle ⓘ |
| lifeCycleStage |
acanthella larva
ⓘ
acanthor larva ⓘ adult worm ⓘ cystacanth larva ⓘ egg ⓘ |
| medicalRelevance | zoonotic potential in humans ⓘ |
| nutritionMode | absorption through body surface ⓘ |
| parasiticIn | intestinal tract of hosts ⓘ |
| parasiticOn |
amphibians
ⓘ
birds ⓘ fish ⓘ mammals ⓘ reptiles ⓘ vertebrates ⓘ |
| relatedTo | Rotifera ⓘ |
| reproduction | sexual reproduction ⓘ |
| sometimesClassifiedAs | subphylum of Rotifera ⓘ |
| superphylum | Lophotrochozoa ⓘ |
| taxonRank | phylum ⓘ |
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: Acanthocephala Description of subject: Acanthocephala is a phylum of parasitic worms, commonly known as thorny-headed worms, characterized by a spiny proboscis used to attach to the intestines of their hosts.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.