<==o PICAE     [51/355]
   `--o PICIFORMES   [51/355]
      |--o PICIDES     [32/232]
      |  |-- Indicatoridae  [4/17]
      |  `-- Picidae    [28/215]
      `--o RAMPHASTIDES  [19/123]
         |--o MEGALAIMOIDEA  [3/26]
         |  `-- Megalaimidae  [3/26]
         |--o LYBIOIDEA    [7/42]
         |  `-- Lybiidae    [7/42]
         `--o RAMPHASTOIDEA  [9/55]
            `--o Ramphastidae  [9/55]
               |-- Capitoninae  [3/14]
               `-- Ramphastinae  [6/41]


Reference(s):

    Sibley, C. G. & Ahlquist, J. E., 1990:
Phylogeny and classification of birds. A study in molecular evolution.
--Yale University Press, New Haven  & London, pp. xxii-976