Belongs within: Psittacidae.
Poicephalus is an African genus of parrots with a large head and beak, and short, broad tail.
<==Poicephalus
| i. s.: P. crassus (Sharpe 1888)M-PG70 [=Pionias crassusM-PG70, Po. cryptoxanthus crassusRN72]
| P. flavifrons (Rüppell 1842) [=Pionus flavifrons]S05
| |--P. f. flavifronsRN72
| `--P. f. auranticepsRN72
| P. fuscicollis (Kuhl 1820)AP21, M-PG70 (see below for synonymy)
| P. rueppelliiJT12
|--+--P. gulielmi (Jardine 1849)BKB15, M-PG70 [=Pionus gulielmiM-PG70]
| | |--P. g. gulielmi [incl. P. gulielmi aubryanus]M-PG70
| | |--P. g. fantiensis Neumann 1908M-PG70
| | |--P. g. massaicusRN72
| | `--P. g. permistusRN72
| `--P. robustusBKB15
| |--P. r. robustusRN72
| |--P. r. angolensisRN72
| `--P. r. suahelicus Reichenow 1898M-PG70
`--+--P. cryptoxanthusBKB15
| |--P. c. cryptoxanthusRN72
| |--P. c. tanganyikaeRN72
| `--P. c. zanzibaricusRN72
`--+--P. meyeri (Cretzschmar 1827)BKB15, S05 [=Psittacus meyeriS05]
| |--P. m. meyeri [incl. P. meyeri adolffriderici]M-PG70
| |--P. m. damarensisRN72
| |--P. m. matschiei Neumann 1898 [incl. P. meyeri neavei]M-PG70
| |--P. m. reichenowiRN72
| |--P. m. saturatus Sharpe 1901S05
| `--P. m. transvaalensisRN72
`--+--P. rufiventris (Rüppell 1842)BKB15, S05 [=Pionus rufiventrisS05]
| |--P. r. rufiventrisRN72
| |--P. r. pallidusRN72
| `--P. r. simplexRN72
`--P. senegalus (Linnaeus 1766)BKB15, M-PG70 [=Psittacus senegalusM-PG70]
|--P. s. senegalusM-PG70
|--P. s. mesotypus Reichenow 1910M-PG70
`--P. s. versteri Finsch 1863M-PG70
Poicephalus fuscicollis (Kuhl 1820)AP21, M-PG70 [=Psittacus fuscicollisM-PG70, Po. robustus fuscicollisRN72; incl. Po. robustus kintampoensisM-PG70]
*Type species of generic name indicated
References
[AP21] Arlott, N., & B. van Perlo. 2021. Collins Birds of the World. William Collins.
[BKB15] Burleigh, J. G., R. T. Kimball & E. L. Braun. 2015. Building the avian tree of life using a large-scale, sparse supermatrix. Molecular Phylogenetics and Evolution 84: 53–63.
[JT12] Jetz, W., G. H. Thomas, J. B. Joy, K. Hartmann & A. Ø. Mooers. 2012. The global diversity of birds in space and time. Nature 491: 444–448.
[M-PG70] Mackworth-Praed, C. W., & C. H. B. Grant. 1970. African Handbook of Birds ser. 3 vol. 1. Birds of West Central and Western Africa. Longman: London.
[RN72] Rutgers, A., & K. A. Norris (eds.) 1972. Encyclopaedia of Aviculture vol. 2. Blandford Press: London.
[S05] Steinheimer, F. D. 2005. Eduard Rüppel’s avian types at the Natural History Museum, Tring (Aves). Senckenbergiana Biologica 85 (2): 233–264.