Hystricognathi

E201665
suborder of rodents taxon

Hystricognathi is a major suborder of rodents that includes porcupines, guinea pigs, capybaras, and related species characterized by a distinctive jaw and skull structure.

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All labels observed (2)

Label Occurrences
Hystricomorpha 4
Hystricognathi canonical 2

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 ⓘ

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Rodentia → hasSuborder → Hystricognathi ⓘ
Rodentia → hasSuborder → Hystricognathi ⓘ
this entity surface form: Hystricomorpha
Sciuromorpha → distinguishedFrom → Hystricognathi ⓘ
this entity surface form: Hystricomorpha
Sciurognathi → contrastedWith → Hystricognathi ⓘ
Anomaluromorpha → relatedTo → Hystricognathi ⓘ
this entity surface form: Hystricomorpha
Caviidae → suborder → Hystricognathi ⓘ
this entity surface form: Hystricomorpha