Children (6 direct children, 3202 direct and indirect children):
Balanidae
(tree size 328)
Thoracica
(tree size 2344)
Rhizocephala
(tree size 408)
Rhizocephalan barnacle
Acrothoracica
(tree size 112)
Phosphatothoracica
(tree size 1)
Thoracicalcarea
(tree size 3)