Question

class: _____order: ___family: ___genus, species: ___characteristics: _____

Explanation:

This is a pronghorn (American antelope). Its taxonomic classification and key traits are based on standard biological categorization of mammals and ungulates.

Answer:

Class: Mammalia
Order: Artiodactyla
Family: Antilocapridae
Genus, species: Antilocapra americana
Characteristics: Fastest North American land mammal (up to 60 mph), branched hollow horns shed annually, white facial/underbelly markings, adapted to grassland habitats