Children (15 direct children, 72 direct and indirect children):
Ottoiomorpha
(tree size 2)
Ottoiidae
Priapulomorpha
(tree size 37)
Halicryptomorpha
(tree size 4)
Selkirkiomorpha
(tree size 2)
Eupriapulida
Tubuluchidae
Archaeopriapulida
(tree size 4)
Louisella
Meiopriapulomorpha
(tree size 1)
Seticoronaria
(tree size 4)
Fieldiidae
(tree size 1)
Ottoiomorpha
Eximipriapulus
(tree size 1)
Paraselkirkia
Priapulimorpha
(tree size 1)