Echimyidae
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Echimyidae is the family of Neotropical spiny rats and their fossil relatives. This is the most species-rich family of hystricognath rodents. It is probably also the most ecologically diverse, with me
Echimyidae
Armored rat, Hoplomys gymnurus
White-tailed olalla rat, Olallamys albicauda
Red-crested tree rat, Santamartamys rufodorsalis
Hystricomorpha
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Hystricomorpha is a term referring to families and orders of rodents which has had many definitions throughout its history. In the broadest sense, it refers to any rodent with a hystricomorphous zygom
Echimyidae
…rat, Desmarest's hutia. Scientific classification Kingdom: Animalia Phylum: Chordata Class: Mammalia Infraclass: Placentalia Order: Rodentia Suborder: Hystricomorpha Infraorder: Hystricognathi Parvorder: Caviomorpha Superfamily: Octodontoidea Family: Echimyidae Gray, 1825 Type genus Echimys F. Cuvier, 1809 Subfamilies…
Hydrochaeris hydrochaeris
Henry Vilas Zoo IMG 2385
Cranium of a capybara showing the enlarged infraorbital canal present in most members of the Hystricomorpha: This condition is termed hystricomorphy.
Cranium of a crested porcupine showing the enlarged infraorbital canal present in most members of the Hystricomorpha: This condition is termed hystricomorphy.