Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Infraclass Eutheria Gill, 1872
       Magnorder Boreoeutheria Springer & de Jong, 2001
         Superorder Euarchontoglires Murphy, Stanyon & O'Brien, 2001
           Order Primates Linnaeus, 1758 - primates
             Suborder Haplorhini Pocock, 1918
               Infraorder Simiiformes Haeckel, 1866
                 Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
                   Family Callitrichidae Gray, 1821 - marmosets, tamarins