Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Scandentia Wagner, 1855 - tree shrews Family Tupaiidae Gray, 1825 - tree shrews Genus Tupaia Raffles, 1821 - tree shrews Tupaia nicobarica (Zelebor, 1869) - Nicobar tree shrew 1 [Tupaia nicobarica nicobarica]ᵀ (Zelebor, 1869) 2 Tupaia nicobarica surda Miller, 1902