Class Mammalia

Class Mammalia is a class of Phylum Chordata, Subphylum Vertebrata. The defining characteristics of Class Mammalia are organisms that are classified in Class Mammalia have fur and hair, and retain insulation via fat. With a few exception, organisms of Class Mammalia do not lay eggs, and have live births. Another distinguishing characteristic is that female organisms of Class Mammalia produce milk. An example of an organism that is classified under Class Mammalia is Odocoileus virginianus.

Odocoileus virginianus