Glossary
 Lion panthera leo Revealing Paw
Lion (Panthera leo)

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Taxonomy
Hierarchical classification of organisms.
Domestic dogs and domestic cats are vertebrates (phylum Chordata), mammals (class Mammalia) and carnivores (order Carnivora).
Carnivores are divided into two suborders: Caniformia and Feliformia.
(Previously divided into three superfamilies: Canoidea , Feloidea and Pinnipedia.)