Moluccan King-Parrot - Described by Linnaeus in 1766,
Papuan King-Parrot - First described by Australian ornithologist Edward Pierson Ramsay in 1879,
Australian King Parrot - The Australian King Parrot was first described by the German naturalist Martin Lichtenstein in 1818. The species belongs to the genus Alisterus, whose three members are known as king parrots. The genus is sometimes sunk into the genus Aprosmictus.