Order Cuculiformes Wagler 1830 (cuckoo)
Parent taxon: Cuculimorphae according to B. C. Livezey and R. L. Zusi 2007
See also Carroll 1988, del Hoyo et al. 2014, Gadow 1898, Hay 1930, Jaekel 1911, Mayr 2006, Olson 1992, Wetmore 1940 and Wetmore 1960
Sister taxon: Opisthocomiformes
Subtaxa: Cuculi Cuculidae Cuculoidae Foratidae Musophagi