After Engel, 2006

<==o Apis Linnaeus, 1758
   |?- A. melisuga Zeuner & Manning
   |?- A. aquitaniensis de Rilly, 1949
   |-- †A. vetusta Engel [†A. henshawi -group; †Synapis Cockerell; †Priorapis Engel Engel]
   `--+-- †A. henshawi Cockerell [A. oligocenica Meunier, 1915 A. aquisextana Nel et al.; A. aquisextusensis Nel et al.] [†A. henshawi -group; †Synapis Cockerell; †Priorapis Engel Engel]
      |-- †A.longtibia” Zhang [†A. henshawi -group; †Synapis Cockerell; †Priorapis Engel Engel]
      |-- †A. miocenica Hong [†A. henshawi -group; †Synapis Cockerell; †Priorapis Engel Engel]
      |-- †A. petrefacta (Ríha) [†A. henshawi -group; †Synapis Cockerell; †Priorapis Engel Engel]
      |-- †A. sp. “Miocene 1” [†A. henshawi -group; †Synapis Cockerell; †Priorapis Engel Engel]
      `--+--o †A. armbrusteri -group [†Cascapis Engel]
         |  `-- †A. armbrusteri Zeuner
         `--+--o A. florea -group [Micrapis Ashmead] (dwarf honey bees; kääpiämehiläiset)
            |  |-- A. andreniformis Smith
            |  `-- A. florea Fabricius
            `--+--o A. dorsata -group [Megapis Ashmead] (giant honey bees; jättimehiläiset)
               |  |-- †A. lithohermaea Engel, 2006
               |  `-- A. dorsata Fabricius
               `--o A. mellifera -group [Apis Linnaeus, 1758] (cavity-nesting honey bees; onkalomehiläiset)
                  |--o A. mellifera -subgroup
                  |  `-- A. mellifera Linnaeus, 1758
                  `--o A. cerana -subgroup [Sigmatapis Maa]
                     |-- A. cerana Fabricius
                     |-- A. koschevnikovi Enderlein
                     `-- A. nigrocincta Smith

Reference(s):