Fm. †Ornithomimidae Marsh 1890 [ornithomimid]

G. †Elaphrosaurus Janensch 1920

Fm. †Iguanodontidae Bonaparte 1850 [iguanodontid]

G. †Camptosaurus Marsh 1885

G. †Iguanodon Mantell 1825

G. †Saurolophus Brown 1912

G. †Bactrosaurus Gilmore 1933

G. †Tanius Wiman 1929

Subor. †Stegosauria Marsh 1877

G. †Trachodon Leidy 1856

Fm. †Trachodontidae Lydekker 1888

Subor. †Plesiosauria de Blainville 1835 [plesiosaur]