CLASSIFICATION OF MAMMALS

Classification of Mammals

CLASSIFICATION OF MAMMALS Class Mammalia Mammary glands: hair: diaphragm: three middle-car ossicles; heterodont dentition;sweat, sebaceous and scent glands: four- chambered heart; large cerebral cortex. (a)     Subclass Prototheria This subclass formerly contained the monotremes. Monotremes have recently been reclassified, and this subclass now contains only