After McKenna & Bell, 1997

<==o Primatomorpha
   |?-o †Purgatorius Van Valen & Sloan, 1965 [Purgatoriidae (Van Valen & Sloan, 1965) Gunnell, 1981]
   |  |?- †P. ceratops
   |  |-- †P. unio
   |  `-- †P. janisae
   `--+-- †Plesiadapiformes
      `--+-- Dermoptera (keguaanit ja suurlepakot)
         `-- Primates

After Bloch & Boyer, 2002

<==o Primatomorpha [Primates sensu Bloch & Boyer, 2002]
   |-- †Purgatorius
   `--+-- †Pandemonium dis Van Valen, 1994
      `--+--o †Palenochtha Simpson 1935
         |  |-- †P. minor Gidley, 1923
         |  `-- †P. weissae Rigby, 1980
         `==o †Plesiadapiformes Simons & Tattersall, in Simons, 1972
            |--+-- †Paromomyidae Simpson, 1940
            |  `-- †Plesiadapidae Trouessart, 1897 sensu stricto
            `--+-- †Carpolestidae
               `-- Euprimates sensu Bloch & Boyer, 2002] (primates, monkeys & apes; kädelliset)

Basal Primatomorphs [= “Plesiadapiformes”] not treated by Bloch & Boyer, 2002:

    †Micromomyidae
    †Microsyopoidea Osborn and Wortman, 1892 [Microsyopidae Osborn and Wortman, 1892 sensu Hooker, Russell & Phélizon, 1999]
    †Palaechthonidae
    †Picrodontidae
        †Draconodus apertus
        †Picrodus silberlingi [Megapterna]
        †Zanycteris paleocenus
    †Chronolestinae
        †Chronolestes
            †C. simul
            †C. oriens [is NOT synonymous with Carpocristes oriens??]

After Bloch, Silcox, Boyer & Sargis, 2007

<==o Primatomorpha [Primates sensu Bloch & Boyer, 2002]
   |-- †Purgatorius
   `--+-- †Micromomyidae
      `--+--+-- †Berruvius
         |  `-- †Microsyopidae
         `--+--+-- †Palenochtha Simpson, 1935
            |  `-- †Paromomyidae 
            `--o Euprimateformes
               |-- Euprimates
               `--o †Plesiadapoidea
                  |-- †Chronolestes
                  `--+-- †Saxonellidae
                     `--+-- †Carpolestidae
                        `-- †Plesiadapidae

Reference(s):