Squamata Oppel, 1811
Amphekepubis Mehl, 1929
Baptosaurus Marsh, 1870
Carinodens Thurmond, 1969
Clidastes Cope, 1868
Dallasaurus
Dollosaurus Yakovlev, 1901
Ectenosaurus Russell, 1967
Edestosaurus Marsh, 1871
Globidens Gilmore, 1912
Haasiasaurus Polcyn, Tchernov & Jacobs, 2003
Hainosaurus Dollo, 1885
Halisaurus Marsh, 1869
Holosaurus Marsh, 1880
Lakumasaurus Novas, Fernández, de Gasparini, Lirio, Núñez & Puerta, 2002
Leiodon Swainson, 1839
Lestosaurus Marsh, 1872
Macrosaurus Owen, 1849
Moanasaurus Wiffen, 1981
Mosasaurus Conybeare, 1822
Platecarpus Cope, 1869
Plesiotylosaurus Camp, 1942
Plioplatecarpus Dollo, 1882
Plotosaurus Camp, 1951
Polygonodon Leidy, 1856
Prognathodon Dollo, 1889
Russellosaurus Polcyn & Bell, 2005
Selmasaurus Wright & Shannon, 1988
Taniwhasaurus Hector, 1874
Tylosaurus Marsh, 1872
