Class [Mammalia] Linnaeus, 1758 - mammals
   Order Primates Linnaeus, 1758 - primates
     Suborder Prosimii Illiger, 1811 see Infraorder Strepsirrhini "Geoffroy Saint-Hilaire, 1812"
       Infraorder Lemuriformes Gregory, 1915
         Superfamily Lorisoidea Gray, 1821
           1 Family Galagidae Gray, 1825, orth. cons.
           2 Family Lorisidae Gray, 1821, orth. cons. - lorises, pottos, and galagos
           3 Family †Plesiopithecidae Simons & Rasmussen, 1994