Hystricognathi
E201665
Hystricognathi is a major suborder of rodents that includes porcupines, guinea pigs, capybaras, and related species characterized by a distinctive jaw and skull structure.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Hystricomorpha | 4 |
| Hystricognathi canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1772457 — 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: Hystricognathi Context triple: [Rodentia, hasSuborder, Hystricognathi]
-
A.
Tubulidentata
Tubulidentata is an order of African mammals best known for the aardvark, characterized by specialized tubular teeth and adaptations for feeding on ants and termites.
-
B.
Glires
Glires is a mammalian clade that unites rodents and lagomorphs (rabbits, hares, and pikas) based on shared evolutionary and anatomical traits.
-
C.
Lagomorpha
Lagomorpha is an order of mammals that includes rabbits, hares, and pikas, characterized by continuously growing incisors and powerful hind legs adapted for jumping.
-
D.
Euarchontoglires
Euarchontoglires is a major clade of placental mammals that includes primates (such as humans and apes), rodents, lagomorphs (rabbits and hares), tree shrews, and colugos.
-
E.
Laurasiatheria
Laurasiatheria is a major clade of placental mammals that includes diverse groups such as hoofed mammals, carnivores, bats, and shrews, thought to have originated on the ancient supercontinent Laurasia.
- 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: Hystricognathi Target entity description: Hystricognathi is a major suborder of rodents that includes porcupines, guinea pigs, capybaras, and related species characterized by a distinctive jaw and skull structure.
-
A.
Tubulidentata
Tubulidentata is an order of African mammals best known for the aardvark, characterized by specialized tubular teeth and adaptations for feeding on ants and termites.
-
B.
Glires
Glires is a mammalian clade that unites rodents and lagomorphs (rabbits, hares, and pikas) based on shared evolutionary and anatomical traits.
-
C.
Lagomorpha
Lagomorpha is an order of mammals that includes rabbits, hares, and pikas, characterized by continuously growing incisors and powerful hind legs adapted for jumping.
-
D.
Euarchontoglires
Euarchontoglires is a major clade of placental mammals that includes primates (such as humans and apes), rodents, lagomorphs (rabbits and hares), tree shrews, and colugos.
-
E.
Laurasiatheria
Laurasiatheria is a major clade of placental mammals that includes diverse groups such as hoofed mammals, carnivores, bats, and shrews, thought to have originated on the ancient supercontinent Laurasia.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
suborder of rodents
ⓘ
taxon ⓘ |
| characterizedBy |
angular process of mandible positioned lateral to plane of incisor root
ⓘ
large infraorbital canal transmitting part of masseter muscle ⓘ |
| class | Mammalia ⓘ |
| commonName | hystricognath rodents ⓘ |
| containsClade |
Caviidae
ⓘ
Caviomorpha ⓘ Chinchillidae ⓘ Ctenomyidae ⓘ Echimyidae ⓘ Erethizontidae ⓘ Hystricidae ⓘ Myocastoridae ⓘ Octodontidae ⓘ |
| dentalFormulaCharacteristic | rodent dentition with ever-growing incisors ⓘ |
| distinguishedFrom | Sciurognathi ⓘ |
| geographicDistribution | worldwide with emphasis in Africa and South America ⓘ |
| hasCharacteristic |
distinctive skull morphology
ⓘ
enlarged infraorbital foramen ⓘ hystricognathous jaw structure ⓘ specialized masseter muscles ⓘ |
| includes |
New World porcupines
ⓘ
Old World porcupines ⓘ agoutis ⓘ capybara relatives ⓘ capybaras ⓘ cavies ⓘ chinchillas ⓘ degus ⓘ guinea pig relatives ⓘ guinea pigs ⓘ nutria ⓘ pacas ⓘ porcupines ⓘ spiny rats ⓘ tuco-tucos ⓘ viscachas ⓘ |
| includesEcologicalRoles |
ecosystem engineers
ⓘ
herbivores ⓘ seed dispersers ⓘ |
| infraclass | Eutheria ⓘ |
| jawType | hystricognathous ⓘ |
| kingdom | Animalia ⓘ |
| order | Rodentia ⓘ |
| phylum | Chordata ⓘ |
| subclass | Theria ⓘ |
| taxonRank | suborder ⓘ |
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: Hystricognathi Description of subject: Hystricognathi is a major suborder of rodents that includes porcupines, guinea pigs, capybaras, and related species characterized by a distinctive jaw and skull structure.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hystricomorpha
this entity surface form:
Hystricomorpha
this entity surface form:
Hystricomorpha