Invalid names: Daptocephalus pardiceps Owen 1876 [synonym], Dicynodon aetorhamphus Broom 1948 [synonym], Dicynodon cadlei Broom 1940 [synonym], Dicynodon dutoiti Broom and Schepers 1937 [synonym], Dicynodon kitchingi Broom 1937 [synonym], Dicynodon taylori Broom 1932 [synonym], Dicynodon trigonocephalus Broom 1940 [synonym]