lagomorpha(n = noun.animal) order lagomorpha - rabbits; hares; pikas; formerly considered the suborder Duplicidentata of the order Rodentia;
is a kind of animal order
is a member of eutheria, subclass eutheria

   an order of rodent-like mammals, comprising the hares, rabbits, and pikas. They have four incisors in the upper jaw. Called also Duplicidentata. They were formerly classified together with the rodents, but the Rodentia and Lagomorpha are now classed as separate orders. [1913 Webster]

order lagomorpha