Children (8 direct children, 156 direct and indirect children):
Echinolampadoida
Nucleolitidae
(tree size 82)
Pygaulidae
(tree size 53)
Archiaciidae
(tree size 7)
Clypeolampadidae
(tree size 5)
Pronucleolites
Pygolampas
Claviasteridae
(tree size 1)