The order is subdivided into three superfamilies: the Psittacoidea ("true" parrots), the Cacatuoidea (cockatoos), and the Strigopoidea (New Zealand parrots).
A orde subdivídese en tres superfamilias: os Psittacoidea ("verdadeiros" papagaios), os Cacatuoidea (cacatúas) e os Strigopoidea (papagaios de Nova Zelandia).