(Psittacidae; Ϯ Red-cheeked Parrot G. geoffroyi) Prof. Étienne Geoffroy-Saint-Hilaire (1772-1844) French zoologist; "32. Geoffroyus, Less. Wagl. (Psittacula p. Gr.)   Oceania.  2.  1. PSITTACUS BATAVENSIS! Lath. (personatus, Shaw. geoffroyanus, Vieill. - geoffroyi, Kuhl.) Lev. Perr. t. 112. 113. ex Ins. Moluccis. Viridis; nucha dorso concolore. Mas genis abrupte rubris.   2. PSITTACUS cyanicollis, Müll. ex Gilolo. Viridis; nucha cyanea. Mas genarum rubro colore per violaceum sensim in cyaneum transiente." (Bonaparte 1850); "Geoffroyus Bonaparte, Consp. Av., 1, 1850, p. 6. Type, by tautonymy, Psittacus geoffroyi Bechstein." (Peters 1937, III, 233).  
Var. Geoffroiius.
Synon. Pseudopsittacus, Rhodocephalus.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2018). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2018). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 17 December 2018).