Children (14 direct children, 1600 direct and indirect children):
Psolidae
(tree size 184)
Sclerodactylidae
(tree size 135)
Phyllophoridae
(tree size 407)
Cucumariidae
(tree size 770)
Ypsilothuriidae
(tree size 29)
Rhopalodinidae
(tree size 24)
Vaneyellidae
(tree size 10)
Heterothyonidae
(tree size 7)
Placothuriidae
(tree size 5)
Paracucumidae
(tree size 8)
Calclamnidae
(tree size 5)
Thyonidae
(tree size 2)
Labidodesmus
Psolinus