Children (11 direct children, 60 direct and indirect children):
Arctops
(tree size 1)
Gorgonopidae
(tree size 47)
Gorgonopsidae
Dixeya
Eriphostoma
(tree size 1)
Prorubidgea
Smilesaurus
Cynodraco
Watongiidae
Rubidgeidae
Nochnitsa
Cynariops
Cynariops robustus