Vertebrata Cuvier, 1812 - vertebrates
Gnathostomata
Teleostomi
Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
Class Mammalia Linnaeus, 1758 - mammals
Subclass †Allotheria Marsh, 1880 [monotypic]
Order †Multituberculata Cope, 1884
Suborder †Ptilodontoidea Sloan & Van Valen, 1965
see Superfamily Ptilodontoidea Gregory & Simpson, 1926 (1887)
1 Family †Boffiidae Hahn & Hahn, 1983
2 Family †Neoplagiaulacidae Ameghino, 1890
3 Family †Cimolodontidae Marsh, 1889
4 Family †Ptilodontidae Gregory & Simpson, 1926 (1887)