• Cornua P. Schulz, 1928 †
• Cornua aculeifera Deflandre, 1944 † accepted as Variramus aculeiferus (Deflandre) K. McCartney, S.W. Wise, D.M. Harwood & R. Gersonde †
• Cornua brevispinosa Hovasse †
• Cornua crispa Hovasse †
• Cornua gothica Hovasse †
• Cornua trifurcata P. Schulz †
• Cornuaceae Gemeinhardt, 1930 † accepted as Dictyochaceae Wallich, 1865
• Cornuamesus Kavanagh & Wilson, 2007
• Cornuamesus biscayensis (Chardy, 1975)
• Cornuamesus longiramus (Kavanagh & Sorbe, 2006)
• Cornuanandrus Wunderlich, 1986 †
• Cornuanandrus maior (Wunderlich, 1986) †
• Cornuapyxis Coûteaux & Chardez, 1981
• Cornuaspis MacGillivray, 1921
• Cornuaspis abdominalis Borchsenius, 1966 accepted as Lepidosaphes abdominalis Takagi, 1960
• Cornuaspis antakaranae Borchsenius, 1963 accepted as Lepidosaphes antakaranae Mamet, 1959
• Cornuaspis beckii Borchsenius, 1963 accepted as Lepidosaphes beckii (Newman, 1869)
• Cornuaspis chinensis Borchsenius, 1963 accepted as Lepidosaphes chinensis Chamberlin, 1925
• Cornuaspis cupressi Borchsenius, 1963 accepted as Lepidosaphes cupressi Borchsenius, 1958
• Cornuaspis gloverii Alayo Soto, 1976 accepted as Lepidosaphes gloverii (Packard, 1869)
• Cornuaspis ocellata MacGillivray, 1921 accepted as Lepidosaphes ocellata (Green, 1907)
• Cornuaspis piperis Borchsenius, 1963 accepted as Lepidosaphes piperis (Green, 1908)
• Cornuaspis unicolor MacGillivray, 1921 accepted as Lepidosaphes unicolor Banks, 1906
• Cornuaspongia Senowbari-Daryan, 1994 †
• Cornuata incertae sedis †