Children (16 direct children, 500 direct and indirect children):
Aporocidaria
(tree size 1)
Cidaris
(tree size 164)
Genocidaris
(tree size 6)
Eucidaris
(tree size 13)
Plegiocidaris
(tree size 26)
Tylocidaris
(tree size 12)
Cidarinae
(tree size 55)
Phyllacanthus
(tree size 22)
Calocidaris
(tree size 2)
Goniocidarinae
(tree size 63)
Stereocidarinae
(tree size 60)
Stylocidarinae
(tree size 57)
Rhabdocidarinae
Aulacocidaris
(tree size 1)
Phyllacanthina
(tree size 1)
Typocidarinae
(tree size 1)