Genera;"Biogeographic Realm";"Current Tribal Classification" "Ancognatha Erichson, 1847";"Neotropical and Nearctic";"Dynastinae: Cyclocephalini" "Aspidolea Bates, 1888";"Neotropical and Nearctic";"Dynastinae: Cyclocephalini" "Augoderia Burmeister, 1847";Neotropical;"Dynastinae: Cyclocephalini" "Barotheus Bates, 1891 (=Ancognatha Erichson)";Neotropical;"Dynastinae: Cyclocephalini" "Chalcocrates Heller, 1903";Australasia;"Dynastinae: Oryctoderini" "Chalcosthenes Arrow, 1937";Australasia;"Dynastinae: Oryctoderini" "Chalepides Casey, 1915";Neotropical;"Dynastinae: Cyclocephalini" "Coenoryctoderus Prell, 1933";Australasia;"Dynastinae: Oryctoderini" "Coscinocephalus Prell, 1936";Nearctic;"Dynastinae: Pentodontini" "Cyclocephala Dejean, 1821";"Neotropical and Nearctic (established in Australia)";"Dynastinae: Cyclocephalini" "Dyscinetus Harold, 1869";"Neotropical and Nearctic";"Dynastinae: Cyclocephalini" "Erioscelis Burmeister, 1847";Neotropical;"Dynastinae: Cyclocephalini" "Harposceles Burmeister, 1847";Neotropical;"Dynastinae: Cyclocephalini" "Melanhyphus Fairmaire, 1881";Australasia;"Dynastinae: Oryctoderini" "Mimeoma Casey, 1915";Neotropical;"Dynastinae: Cyclocephalini" "Neohyphus Heller, 1896";Australasia;"Dynastinae: Oryctoderini" "Onychionyx Arrow, 1914";Australasia;"Dynastinae: Oryctoderini" "Oryctoderus Boisduval, 1835";Australasia;"Dynastinae: Oryctoderini" "Ruteloryctes Arrow, 1908";Afrotropical;"Dynastinae: Cyclocephalini" "Stenocrates Burmeister, 1847";Neotropical;"Dynastinae: Cyclocephalini"