Children (10 direct children, 748 direct and indirect children):
Pygmephoroidea
(tree size 94)
Dolichocyboidea
(tree size 25)
Pyemotoidea
(tree size 48)
Heterocheyloidea
(tree size 6)
Tarsocheyloidea
(tree size 13)
Tarsonemoidea
(tree size 533)
Trochometridioidea
(tree size 8)
Cloacaroidea
(tree size 8)
Bembidiacaridae
(tree size 2)
Nasutiacaroidea
(tree size 1)