Kangaroo: a marsupial from the family Macropodidae. Class: Mammalia Infraclass: Marsupialia Order: Diprotodontia Family: Macropodidae Genus: Macropus Kangaroos belong to the Macropodidae family, which means ‘big foot’ in Latin. This is in reference to the species’ unusually large hind feet. The species known as kangaroos ...