Children (6 direct children, 189 direct and indirect children):
Cephalorhyncha
(tree size 6)
Cephalorhyncha (genus)
Meristoderes
(tree size 1)
Echinoderes
(tree size 167)
Fissuroderes
(tree size 7)
Polacanthoderes
(tree size 1)
Echinoderella
(tree size 1)