Coenagrionidae Kirby, 1890
Megalagrion adytum Perkins, 1899
Megalagrion amaurodytum Perkins, 1899
Megalagrion blackburni McLachlan, 1883
Megalagrion calliphya McLachlan, 1883
Megalagrion eudytum Perkins, 1899
Megalagrion hawaiiense McLachlan, 1883
Megalagrion heterogamias Perkins, 1899
Megalagrion jugorum Perkins, 1899
Megalagrion kauaiense Perkins, 1899
Megalagrion koelense Blackburn, 1884
Megalagrion leptodemas Perkins, 1899
Megalagrion mauka Daigle, 1997
Megalagrion molokaiense Perkins, 1899
Megalagrion nesiotes Perkins, 1899
Megalagrion nigrohamatum Blackburn, 1884
Megalagrion oahuense Blackburn, 1884
Megalagrion oceanicum McLachlan, 1883
Megalagrion oresitrophum Perkins, 1899
Megalagrion orobates Perkins, 1899
Megalagrion pacificum McLachlan, 1883
Megalagrion paludicola Maciolek & Howarth, 1979
Megalagrion vagabundum Perkins, 1899
Megalagrion williamsoni Perkins, 1910
Megalagrion xanthomelas Selys, 1876
