Reptilia Laurenti, 1768
Californosaurus Merriam, 1908
Cymbospondylus Leidy, 1868
Delphinosaurus Merriam, 1905
Himalayasaurus Dong, 1972
Merriamia Boulenger, 1904
Pessosaurus Wiman, 1910
Shastasaurus Merriam, 1895
Shonisaurus Camp, 1976
Toretocnemus Merriam, 1903
