| Aphylla angustifolia Garrison, 1986 | Broad-striped Forceptail |
| Aphylla protracta Hagen, 1859 | Narrow-striped Forceptail |
| Aphylla williamsoni Gloyd, 1936 | Two-striped Forceptail |
| Arigomphus cornutus Tough, 1900 | Horned Clubtail |
| Arigomphus furcifer Hagen, 1878 | Lilypad Clubtail |
| Arigomphus lentulus Needham, 1902 | Stillwater Clubtail |
| Arigomphus maxwelli Ferguson, 1950 | Bayou Clubtail |
| Arigomphus pallidus Rambur, 1842 | Gray-green Clubtail |
| Arigomphus submedianus Williamson, 1914 | Jade Clubtail |
| Arigomphus villosipes Selys, 1854 | Unicorn Clubtail |
| Dromogomphus armatus Selys, 1854 | Southeastern Spinyleg |
| Dromogomphus spinosus Selys, 1854 | Black-shouldered Clubtail |
| Dromogomphus spoliatus Hagen, 1858 | Flag-tailed Clubtail |
| Erpetogomphus compositus Hagen, 1858 | White-belted Ringtail |
| Erpetogomphus crotalinus Hagen, 1854 | Yellow-legged Ringtail |
| Erpetogomphus designatus Hagen, 1858 | Eastern Ringtail |
| Erpetogomphus eutainia Calvert, 1905 | Blue-faced Ringtail |
| Erpetogomphus heterodon Garrison, 1994 | Dashed Ringtail |
| Erpetogomphus lampropeltis Kennedy, 1918 | Serpent Ringtail |
| Gomphus (Gomphurus) crassus Hagen, 1878 | Handsome Clubtail |
| Gomphus (Gomphurus) dilatatus Rambur, 1842 | Blackwater Clubtail |
| Gomphus (Gomphurus) externus Hagen, 1858 | Plains Clubtail |
| Gomphus (Gomphurus) gonzalezi Dunkle, 1992 | Tamaulipan Clubtail |
| Gomphus (Gomphurus) hybridus Williamson, 1902 | Cocoa Clubtail |
| Gomphus (Gomphurus) lineatifrons Calvert, 1921 | Splendid Clubtail |
| Gomphus (Gomphurus) lynnae Paulson, 1983 | Columbia Clubtail |
| Gomphus (Gomphurus) modestus Needham, 1942 | Gulf Coast Clubtail |
| Gomphus (Gomphurus) ozarkensis Westfall, 1975 | Ozark Clubtail |
| Gomphus (Gomphurus) septima Westfall, 1956 | Septima's Clubtail |
| Gomphus (Gomphurus) vastus Walsh, 1862 | Cobra Clubtail |
| Gomphus (Gomphurus) ventricosus Walsh, 1863 | Skillet Clubtail |
| Gomphus (Gomphus) abbreviatus Hagen, 1878 | |
| Gomphus (Gomphus) adelphus Selys, 1858 | |
| Gomphus (Gomphus) apomyius Donnelly, 1966 | |
| Gomphus (Gomphus) australis Needham, 1897 | Clearlake Clubtail |
| Gomphus (Gomphus) borealis Needham, 1901 | Beaverpond Clubtail |
| Gomphus (Gomphus) cavillaris Needham, 1902 | Sandhill Clubtail |
| Gomphus (Gomphus) consanguis Selys, 1879 | Cherokee Clubtail |
| Gomphus (Gomphus) descriptus Banks, 1896 | Harpoon Clubtail |
| Gomphus (Gomphus) diminutus Needham, 1950 | Diminutive Clubtail |
| Gomphus (Gomphus) exilis Selys, 1854 | Lancet Clubtail |
| Gomphus (Gomphus) geminatus Carle, 1979 | |
| Gomphus (Gomphus) graslinellus Walsh, 1862 | Pronghorn Clubtail |
| Gomphus (Gomphus) hodgesi Needham, 1950 | Hodges Clubtail |
| Gomphus (Gomphus) kurilis Hagen, 1858 | Pacific Clubtail |
| Gomphus (Gomphus) lividus Selys, 1854 | Ashy Clubtail |
| Gomphus (Gomphus) militaris Hagen, 1858 | Sulphur-tipped Clubtail |
| Gomphus (Gomphus) minutus Rambur, 1842 | Cypress Clubtail |
| Gomphus (Gomphus) oklahomensis Pritchard, 1935 | Oklahoma Clubtail |
| Gomphus (Gomphus) parvidens Currie, 1917 | |
| Gomphus (Gomphus) quadricolor Walsh, 1863 | Rapids Clubtail |
| Gomphus (Gomphus) rogersi Gloyd, 1936 | Sable Clubtail |
| Gomphus (Gomphus) sandrius Tennessen, 1983 | Tennessee Clubtail |
| Gomphus (Gomphus) spicatus Hagen, 1854 | Dusky Clubtail |
| Gomphus (Gomphus) viridifrons Hine, 1901 | |
| Gomphus (Gomphus) westfalli Carle & May, 1987 | Westfall's Clubtail |
| Gomphus (Hylogomphus) abbreviatus Hagen, 1878 | Spine-crowned Clubtail |
| Gomphus (Hylogomphus) adelphus Selys, 1858 | Mustached Clubtail |
| Gomphus (Hylogomphus) apomyius Donnelly, 1966 | Banner Clubtail |
| Gomphus (Hylogomphus) geminatus Carle, 1979 | Twin-striped Clubtail |
| Gomphus (Hylogomphus) parvidens Currie, 1917 | Piedmont Clubtail |
| Gomphus (Hylogomphus) viridifrons Hine, 1901 | Green-faced Clubtail |
| Gomphus fraterna Say, 1839 | |
| Hagenius brevistylus Selys, 1854 | Black clubtail |
| Lanthus parvulus Selys, 1854 | Northern Pygmy Clubtail |
| Lanthus vernalis Carle, 1980 | Southern Pygmy Clubtail |
| Octogomphus specularis Hagen, 1859 | Grappletail |
| Ophiogomphus acuminatus Carle, 1981 | Acuminate Snaketail |
| Ophiogomphus anomalus Harvey, 1898 | Extra-striped Snaketail |
| Ophiogomphus arizonicus Kennedy, 1917 | Arizona Snaketail |
| Ophiogomphus aspersus Morse, 1895 | Brook Snaketail |
| Ophiogomphus australis Carle, 1992 | Southern Snaketail |
| Ophiogomphus bison Selys, 1873 | Bison Snaketail |
| Ophiogomphus carolus Needham, 1897 | Riffle Snaketail |
| Ophiogomphus colubrinus Selys, 1854 | Boreal Snaketail |
| Ophiogomphus edmundo Needham, 1951 | Edmund |
| Ophiogomphus howei Bromley, 1924 | Pygmy Snaketail |
| Ophiogomphus incurvatus Carle, 1982 | Appalachian Snaketail |
| Ophiogomphus mainensis Packard, 1863 | Maine Snaketail |
| Ophiogomphus morrisoni Selys, 1879 | Great Basin Snaketail |
| Ophiogomphus occidentis Hagen, 1885 | Sinuous Snaketail |
| Ophiogomphus rupinsulensis Walsh, 1862 | Rusty Snaketail |
| Ophiogomphus severus Hagen, 1874 | Pale Snaketail |
| Ophiogomphus susbehcha Vogt & Smith, 1993 | Saint Croix Snaketail |
| Ophiogomphus westfalli Cook & Daigle, 1985 | Westfall's Snaketail |
| Phyllogomphoides albrighti Needham, 1950 | Five-striped Leaftail |
| Phyllogomphoides stigmata Say, 1839 | |
| Progomphus alachuensis Byers, 1939 | Tawny Sanddragon |
| Progomphus bellei Knopf & Tenn..., 1980 | Belle's Sanddragon |
| Progomphus borealis McLachlan, 1873 | Gray Sanddragon |
| Progomphus obscurus Rambur, 1842 | Common Sanddragon |
| Stylogomphus albistylus Hagen, 1878 | Eastern Least Clubtail |
| Stylurus amnicola Walsh, 1862 | Riverine Clubtail |
| Stylurus intricatus Selys, 1858 | Brimstone Clubtail |
| Stylurus ivae Williamson, 1932 | Shining Clubtail |
| Stylurus laurae Williamson, 1932 | Laura's Clubtail |
| Stylurus notatus Rambur, 1842 | Elusive Clubtail |
| Stylurus olivaceus Selys, 1873 | Olive Clubtail |
| Stylurus plagiatus Selys, 1854 | Russet-tipped Clubtail |
| Stylurus potulentus Needham, 1942 | Yellow-sided Clubtail |
| Stylurus scudderi Selys, 1873 | Zebra Clubtail |
| Stylurus spiniceps Walsh, 1862 | Arrow Clubtail |
| Stylurus townesi Gloyd, 1936 | Townes Clubtail |
