Classification/taxonomy
Nine subspecies of tiger are recognized; however, three of them are extinct, according to the Integrated Taxonomic Information System (ITIS).
The taxonomy of tigers, according to ITIS, is:
Kingdom: Animalia
Subkingdom: Bilateria
Infrakingdom: Deuterostomia
Phylum: Chordata
Infraphylum: Gnathostomata
Superclass: Tetrapoda
Class: Mammalia
Subclass: Theria
Infraclass: Eutheria
Order: Carnivora
Suborder: Feliformia
Family: Felidae
Subfamily: Pantherinae
Genus & species: Panthera tigris
Subspecies