Children (8 direct children, 233 direct and indirect children):
Procyliosoma
(tree size 16)
Sphaerotherium
(tree size 131)
Cyliosoma
(tree size 25)
Cyliosomella
(tree size 6)
Arthrosphaera
(tree size 44)
Oligaspis
(tree size 1)
Kylindotherium
(tree size 1)
Bournellum
(tree size 1)