<==o PASSERAE [1798/8485] |-- CUCULIMORPHAE [30/143] `--+--o PSITTACIMORPHAE [80/358] | `--o PSITTACIFORMES [80/358] | `-- Psittacidae [80/358] `--+--+-- STRIGIMORPHAE [50/314] | `--o APODIMORPHAE [128/422] | |--o APODIFORMES [19/103] | | |-- Apodidae [18/99] | | `-- Hemiprocnidae [1/4] | `--o TROCHILIFORMES [109/319] | `--o Trochilidae [109/319] | |-- Phaethornithinae [4/29] | `-- Trochilinae [105/290] `--o PASSERMORPHAE [1510/7248] |-- PASSERIFORMES [1161/5712] `--+--o COLUMBIFORMES [42/313] | |-- Raphidae [2/3] | `-- Columbidae [40/310] `--+-- GRUIFORMES [53/196] `-- CICONIIFORMES [254/1027]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