Antrodemus Leidy, 1870 † (original description)
Baena Leidy, 1870 † (original description)
Baptemys Leidy, 1870 (original description)
Baptosaurus Marsh, 1870 † (original description)
Boopedon Thomas, 1870 (original description)
Carbonarca Meek & Worthen, 1870 † (original description)
Graphiodon Leidy, 1870 † (original description)
Hyopsodus Leidy, 1870 † (original description)
Laornis Marsh, 1870, nom. nud. † accepted as Laornis Marsh, 1870 † (original description)
Megacerops Leidy, 1870 † (original description)
Microsus Leidy, 1870 (original description)
Mylocyprinus Leidy, 1870 (original description)
Notharctus Leidy, 1870 † (original description)
Nothosaurops Leidy, 1870 † (original description)
Oncobatis Leidy, 1870 (original description)
Onychotes Ridgway, 1870 (original description)
Oressochen Bannister, 1870 (original description)
Palaeosyops Leidy, 1870 † (original description)
Palaeotringa Marsh, 1870, nom. nud. † accepted as Palaeotringa Marsh, 1870 † (original description)
Patriofelis Leidy, 1870 † (original description)
Saniwa Leidy, 1870 † (original description)
Solenochilus Meek & Worthen, 1870 † (original description)
Telmatornis Marsh, 1870, nom. nud. † accepted as Telmatornis Marsh, 1870 † (original description)
Vortifex Meek, 1870 (original description)
Xiphactinus Leidy, 1870 † (original description)