Mammaliaformes Rowe 1988 Order †Morganucodonta Kermack, Mussett & Rigney, 1973 Family †Morganucodontidae Kühne, 1958 1 Genus †Morganucodon Kühne, 1949 2 Genus †Eozostrodon Parrington, 1941 3 Genus †Brachyzostrodon Sigogneau-Russell, 1983 4 Genus †Helvetiodon Clemens, 1980 5 Genus †Erythrotherium Crompton, 1964 6 Genus †Wareolestes Freeman, 1979