After Parker, 1982, “The Tree of Life”, and Grimaldi & Engel, 2005

<==o Anthophila (mesipistiäiset, bees)
   |--o Colletidae [incl. Stenotritidae] (kalvomehiläiset)
   |  |-- Colletinae
   |  |--+-- Stenotritinae 
   |  |  `-- Paracolletinae
   |  |-- Diphaglossinae
   |  `--+-- Euryglossinae
   |     `--+-- Hylaeinae
   |        `-- Xeromelissinae
   `--+-- Halictidae (hietamehiläiset)
      `--+--o Andrenidae [incl. Oxaeidae] (maamehiläiset)
         |  |-- Andreninae
         |  |-- Alocandreninae
         |  `--+-- Euherbstiinae
         |     `--+-- Oxaeinae
         |        `-- Panurginae
         `--+-- †Paleomelittidae
            `--+--o Melittidae 
               |  |-- Meganomiinae
               |  `--+-- Melittinae
               |     `--+-- Macropidinae
               |        `-- Dasypodainae
               `--+-- Megachilidae (mason bees; vatsaharjamehiläiset)
                  `-- Apidae [incl. Xylocopidae; Anthophoridae] (aitomehiläiset; true bees)

Anthoptila incertae sedis:

    ?Ctenoplectridae

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