Subgenus Xiphidion Serville, 1831

Xiphidion Serville, 1831: 159; Xiphidion Westwood, 1838: 45; Xiphidion Kirby, W.F., 1890: 580; Xiphidium Scudder, S.H., 1897: 55; Xiphidion Rehn, J.A.G., 1902: 317; Xiphidion Rehn, J.A.G., 1905: 826; Conocephalus (Xiphidion) Karny, 1907: 85; Conocephalus (Xiphidion) Rehn, J.A.G. et Hebard, 1915: 155; Conocephalus (Xiphidion) Rehn, J.A.G. et Hebard, 1915: 243; Conocephalus (Xiphidion) Hebard, 1922: 242 –248; Xiphidion (Xiphidion) Karny, 1926: 180; Conocephalus (Xiphidion) Harz, 1969: 188; Conocephalus Rentz, D.C.F. et Balderson, 1979: 7; Conocephalus (Anisoptera) Pitkin, 1980: 321; Conocephalus (Xiphidion) Pinedo, 1985 [1984]: 269; Conocephalus FIGURES G. Distribution map of subgenus Conocephalus in China.