Class [Mammalia] Linnaeus, 1758 - mammals Order Scandentia Wagner, 1855 - tree shrews Family Tupaiidae Gray, 1825 - tree shrews Genus Ptilocercus Gray, 1848 - pen-tailed tree shrew, feather-tailed tree shrew Ptilocercus lowii Gray, 1848 - feather-tailed tree shrew