Noun | 1. | ![]() animal order - the order of animals Eutheria, subclass Eutheria - all mammals except monotremes and marsupials edentate - primitive terrestrial mammal with few if any teeth; of tropical Central America and South America suborder Xenarthra, Xenarthra - armadillos; American anteaters; sloths family Mylodontidae, Mylodontidae - extinct South American edentates |