Children (5 direct children, 140 direct and indirect children):
Umagillidae
(tree size 124)
Carcharodopharyngidae
(tree size 3)
Palaeosoma
(tree size 1)
Palaeosoma poinar, 2003
Neodalyellida
(tree size 2)
Neotyphloplanida
(tree size 5)