- Mammalia, class Mammalia - warm-blooded vertebrates characterized by mammary glands in the female
--1 is a kind of class
--1 is a member of
--1 has members:Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata young mammal; mammal; Prototheria, subclass Prototheria; Pantotheria, subclass Pantotheria; Metatheria, subclass Metatheria; Eutheria, subclass Eutheria; Ungulata; Unguiculata