Children (14 direct children, 171487 direct and indirect children):
Cephalochordata
(tree size 54)
Lancelet
Metaspriggina
(tree size 1)
Olfactores
(tree size 171413)
Myomerozoa
Antlerpeton
Baphetoidea
(tree size 4)
Prochordata
Undichna
Euchordata
Zhongxiniscus
Thursius
(tree size 1)
Beckius
Ochopristis
Urochordata