After Engel, 2006

<==o Apini
   |?- †Proplebia dominicana (Wille & Chandler); L.Mioc. CA.
   `--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):