The Key to Scientific Names
- Micropsittacus
(Psittacidae; syn. Poicephalus † Brown-headed Parrot P. cryptoxanthus) Gr. μικρος mikros small; ψιττακος psittakos parrot (see Eupsittacus); "The genus Poicephalus contains four well-defined groups of species ... 3. Maxilla dark, mandible pale, wing under 7 inches, culmen not over 1 inch: P. fuscicapillus and P. flavifrons ... The fourth group represents the typical Poicephalus, the third may be placed in a new subgenus, MICROPSITTACUS, type Pionus fuscicapillus Verr. and Des Murs" (A. Roberts 1922); "Micropsittacus A. Roberts, 1922, Annals Transvaal Mus., VIII (4), p. 212. Type, by original designation, Pionus fuscicapillus J. Verreaux and des Murs, 1849 (not of Wagler, 1832) = Poicephalus cryptoxanthus Peters, 1854." (JAJ 2020) (see Eupsittacus).
