erethizontid
noun
- a rodent of the family Erethizontidae (New World porcupines)
Wiktionary
noun
- Any of the New World porcupines comprising the family Erethizontidae.
“Erethizontids are primarily herbivorous.[…]With their elaborate courtship behavior, the erethizontids are a fascinating group of mammals.”
“The erethizontids, with four genera (including eight species) achieved their greatest known diversity, representing 22% of the total diversity.”