Reptilia Laurenti, 1768
Atlascopcosaurus Rich & Rich, 1988
Bugenasaura Galton, 1995
Fulgurotherium von Huene, 1932
Hypsiloichnus Stanford, Weems & Lockley, 2004
Hypsilophodon Huxley, 1870
Laosaurus Marsh, 1878
Leaellynasaura Rich & Rich, 1988
Macelognathus Marsh, 1884
Orodromeus Horner & Weishampel, 1988
Oryctodromeus Varricchio, Martin & Katsura, 2007
Othnielia Galton, 1977
Parksosaurus Sternberg, 1937
Phyllodon Thulborn, 1973
Qantassaurus Rich & Vickers-Rich, 1999
Rhabdodon Fleischmann, 1831
Tenontosaurus Ostrom, 1970
Thescelosaurus Gilmore, 1913
Yandusaurus
Zephyrosaurus Sues, 1980
