Children (6 direct children, 305 direct and indirect children):
Amphisbaenidae
(tree size 256)
Trogonophidae
(tree size 13)
Shorthead worm lizards
Rhineuridae
(tree size 9)
Blanidae
(tree size 10)
Bipedidae
(tree size 8)
Two-legged worm lizards
Cadeidae
(tree size 3)