Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Primates Linnaeus, 1758 - primates
       Suborder Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
         Infraorder Tarsiiformes Gregory, 1915
           Family Tarsiidae Gray, 1825 - tarsiers
             Genus Tarsius Storr, 1780 - tarsiers
               1 Tarsius bancanus Horsfield, 1821 - western tarsier
               2 Tarsius dentatus Miller & Hollister, 1921
               3 Tarsius pelengensis Sody, 1949
               4 Tarsius pumilus Miller & Hollister, 1921 - pygmy tarsier
               5 Tarsius sangirensis Meyer, 1897
               6 Tarsius syrichta (Linnaeus, 1758) - Philippine tarsier
               7 Tarsius tarsier (Erxleben, 1777)