Arachnida
E96842
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.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T808325 — 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: Arachnida Context triple: [Arthropoda, includes, Arachnida]
-
A.
Arthropoda
Arthropoda is the largest phylum of animals, comprising invertebrates with exoskeletons, segmented bodies, and jointed appendages such as insects, spiders, and crustaceans.
-
B.
Malacostraca
Malacostraca is the largest and most diverse class of crustaceans, including crabs, lobsters, shrimp, krill, and many other familiar marine and freshwater species.
-
C.
Ecdysozoa
Ecdysozoa is a major animal clade of molting invertebrates that includes arthropods, nematodes, and several related phyla.
-
D.
Isoptera
Isoptera is the insect order comprising termites, known for their eusocial colonies, wood-feeding habits, and significant ecological and economic impacts.
-
E.
Mimidae
Mimidae is a family of passerine birds known for their vocal mimicry, including mockingbirds, thrashers, and catbirds.
- 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: Arachnida Target entity description: 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.
-
A.
Arthropoda
Arthropoda is the largest phylum of animals, comprising invertebrates with exoskeletons, segmented bodies, and jointed appendages such as insects, spiders, and crustaceans.
-
B.
Malacostraca
Malacostraca is the largest and most diverse class of crustaceans, including crabs, lobsters, shrimp, krill, and many other familiar marine and freshwater species.
-
C.
Ecdysozoa
Ecdysozoa is a major animal clade of molting invertebrates that includes arthropods, nematodes, and several related phyla.
-
D.
Isoptera
Isoptera is the insect order comprising termites, known for their eusocial colonies, wood-feeding habits, and significant ecological and economic impacts.
-
E.
Mimidae
Mimidae is a family of passerine birds known for their vocal mimicry, including mockingbirds, thrashers, and catbirds.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
class
ⓘ
group of arthropods ⓘ taxonomic rank ⓘ |
| bodyPlan | two-part body ⓘ |
| bodyRegion |
opisthosoma
ⓘ
prosoma ⓘ |
| circulatorySystem | open circulatory system ⓘ |
| describedBy | Jean-Baptiste Lamarck ⓘ |
| developmentType | egg-laying ⓘ |
| distinguishedBy |
four pairs of walking legs in adults
ⓘ
lack of antennae and wings ⓘ |
| distinguishedFrom | Insecta ⓘ |
| feedingType |
ectoparasitic (many ticks and mites)
ⓘ
mostly carnivorous ⓘ |
| fertilizationType | internal fertilization ⓘ |
| habitat |
freshwater (some mites)
ⓘ
marine (some mites) ⓘ terrestrial ⓘ |
| hasAntennae | false ⓘ |
| hasChelicerae | true ⓘ |
| hasCommonName | arachnids ⓘ |
| hasMandibles | false ⓘ |
| hasPedipalps | true ⓘ |
| hasWings | false ⓘ |
| includesOrder |
Arachnida
self-linksurface differs
ⓘ
surface form:
Acari
Amblypygi ⓘ Araneae ⓘ Opiliones ⓘ Schizomida ⓘ
surface form:
Palpigradi
Pseudoscorpiones ⓘ Ricinulei ⓘ Schizomida ⓘ Scorpiones ⓘ Solifugae ⓘ Thelyphonida ⓘ Uropygi ⓘ |
| includesOrganismType |
mites
ⓘ
scorpions ⓘ spiders ⓘ ticks ⓘ |
| kingdom | Animalia ⓘ |
| phylum | Arthropoda ⓘ |
| reproduction | sexual reproduction ⓘ |
| respiration |
book lungs
ⓘ
tracheae ⓘ |
| skeletonType | exoskeleton ⓘ |
| subphylum | Chelicerata ⓘ |
| symmetry | bilateral symmetry ⓘ |
| taxonRank | class ⓘ |
| typicalNumberOfLegs | 8 ⓘ |
| yearDescribed | 1802 ⓘ |
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: Arachnida Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Acari