Chelicerata
E101578
Chelicerata is a major subphylum of arthropods that includes spiders, scorpions, ticks, mites, and horseshoe crabs, characterized by having chelicerae (mouthparts) instead of mandibles.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chelicerata canonical | 2 |
| Chelicerata in some analyses | 1 |
| Xiphosura | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T808328 — 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: Chelicerata Context triple: [Arthropoda, includes, Chelicerata]
-
A.
Arachnida
Arachnida is a class of joint-legged invertebrate animals that includes spiders, scorpions, ticks, and mites, typically characterized by eight legs and a two-part body.
-
B.
Arthropoda
Arthropoda is the largest phylum of animals, comprising invertebrates with exoskeletons, segmented bodies, and jointed appendages such as insects, spiders, and crustaceans.
-
C.
Myriapoda
Myriapoda is a subphylum of many-legged arthropods that includes centipedes and millipedes, characterized by elongated segmented bodies with numerous pairs of legs.
-
D.
Ecdysozoa
Ecdysozoa is a major animal clade of molting invertebrates that includes arthropods, nematodes, and several related phyla.
-
E.
Malacostraca
Malacostraca is the largest and most diverse class of crustaceans, including crabs, lobsters, shrimp, krill, and many other familiar marine and freshwater species.
- 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: Chelicerata Target entity description: Chelicerata is a major subphylum of arthropods that includes spiders, scorpions, ticks, mites, and horseshoe crabs, characterized by having chelicerae (mouthparts) instead of mandibles.
-
A.
Arachnida
Arachnida is a class of joint-legged invertebrate animals that includes spiders, scorpions, ticks, and mites, typically characterized by eight legs and a two-part body.
-
B.
Arthropoda
Arthropoda is the largest phylum of animals, comprising invertebrates with exoskeletons, segmented bodies, and jointed appendages such as insects, spiders, and crustaceans.
-
C.
Myriapoda
Myriapoda is a subphylum of many-legged arthropods that includes centipedes and millipedes, characterized by elongated segmented bodies with numerous pairs of legs.
-
D.
Ecdysozoa
Ecdysozoa is a major animal clade of molting invertebrates that includes arthropods, nematodes, and several related phyla.
-
E.
Malacostraca
Malacostraca is the largest and most diverse class of crustaceans, including crabs, lobsters, shrimp, krill, and many other familiar marine and freshwater species.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
subphylum
ⓘ
taxon ⓘ |
| bodyDivision |
opisthosoma
ⓘ
prosoma ⓘ |
| characterizedBy | chelicerae ⓘ |
| containsExtantSpecies | true ⓘ |
| containsFossilTaxa | true ⓘ |
| developmentType | egg-laying ⓘ |
| distinguishedFrom | Mandibulata ⓘ |
| feedingType |
parasitic
ⓘ
predatory ⓘ scavenging ⓘ |
| fertilizationType | internal fertilization ⓘ |
| firstAppearance |
Cambrian Period
ⓘ
surface form:
Cambrian period
Paleozoic Era ⓘ
surface form:
Paleozoic era
|
| habitat |
freshwater environments
ⓘ
marine environments ⓘ terrestrial environments ⓘ |
| hasAppendageType |
chelicerae
ⓘ
pedipalps ⓘ |
| hasBodyCavity | hemocoel ⓘ |
| hasCirculatorySystem | open circulatory system ⓘ |
| hasCommonName | chelicerates ⓘ |
| hasExoskeleton | chitinous exoskeleton ⓘ |
| hasEyes |
compound eyes
ⓘ
simple eyes ⓘ |
| hasNervousSystem | ventral nerve cord ⓘ |
| hasNumberOfAntennaePairs | 0 ⓘ |
| hasNumberOfLegPairs | 4 ⓘ |
| hasRespiratoryStructure |
book gills
ⓘ
book lungs ⓘ tracheae ⓘ |
| hasSymmetry | bilateral symmetry ⓘ |
| includesClass |
Arachnida
ⓘ
Pycnogonida ⓘ Chelicerata self-linksurface differs ⓘ
surface form:
Xiphosura
|
| includesOrganismGroup |
horseshoe crabs
ⓘ
mites ⓘ scorpions ⓘ sea spiders ⓘ spiders ⓘ ticks ⓘ |
| kingdom | Animalia ⓘ |
| lacks | mandibles ⓘ |
| phylum | Arthropoda ⓘ |
| reproductionType | sexual reproduction ⓘ |
| superphylum | Ecdysozoa ⓘ |
| taxonRank | subphylum ⓘ |
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: Chelicerata Description of subject: Chelicerata is a major subphylum of arthropods that includes spiders, scorpions, ticks, mites, and horseshoe crabs, characterized by having chelicerae (mouthparts) instead of mandibles.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chelicerata in some analyses
this entity surface form:
Xiphosura