Epigomphus is a genus of dragonflies in the family Gomphidae. They are commonly known as Knobtails. The genus contains the following species: \n* Epigomphus armatus Ris, 1918 \n* Epigomphus camelus Calvert, 1905 - Humped Knobtail \n* Epigomphus clavatus Belle, 1980 - Guatemalan Knobtail \n* Epigomphus compactus Belle, 1994 \n* Epigomphus corniculatus Belle, 1989 - Horned Knobtail \n* Epigomphus crepidus Kennedy, 1936 - West Mexican Knobtail \n* Epigomphus donnellyi González & Cook, 1988 - Donnelly's Knobtail \n* Epigomphus echeverrii Brooks, 1989 - Volcano Knobtail \n* Epigomphus flinti Donnelly, 1989 - Flint's Knobtail \n* Epigomphus gibberosus Belle, 1988 \n* Epigomphus houghtoni Brooks, 1989 - Limón Knobtail \n* Epigomphus hylaeus Ris, 1918 \n* Epigomphus jannyae Belle, 1993 \n* Epigomphus llama Calv