Parent taxon: Therocephalia according to T. S. Kemp 1982
Sister taxa: Aelurosaurus, Akidnognathidae, Alopecodon, Alopecodontidae, Alopecognathus, Aloposaurus, Archaeosuchus, Arctognathus, Arctosuchus, Bauriida, Crapartinellidae, Cynochampsa, Cynodraco, Cynosuchus, Eriphostoma, Euchambersidae, Eutherocephalia, Gorgonops, Herpetogale, Hofmeyriidae, Hyaenasuchus, Ictidognathus, Ictidosuchus, Lycideopsidae, Lycosaurus, Lycosuchidae, Lycosuchus, Ordosidae, Pardosuchus, Pristerognathidae, Pristerognathus, Regisauridae, Regisaurus, Scaloposaurida, Scaloposauridae, Scaloposaurus, Scapanodon, Scylacoides, Scylacorhinus, Scylacosauridae, Scylacosaurus, Scymnognathus, Scymnosaurus, Simorhinellidae, Tigrisuchus, Trochosaurus, Trochosuchus, Yikezhaogia
Subtaxa: Akidnognathus, Annatherapsidus, Chthonosaurus, Euchambersia, Moschorhinus
Ecology: carnivore