Children (37 direct children, 52 direct and indirect children):
Stereocidaris tubifera
(tree size 2)
Stereocidaris nascaensis
Stereocidaris capensis
Stereocidaris granularis
(tree size 2)
Stereocidaris microtuberculata
Stereocidaris squamosa
Stereocidaris sceptriferoides
(tree size 3)
Stereocidaris alcocki
Stereocidaris ingolfiana
Stereocidaris grandis
(tree size 3)
Stereocidaris indica
(tree size 2)
Stereocidaris excavata
Stereocidaris sulcatispinis
Stereocidaris purpurascens
Stereocidaris leucacantha
Stereocidaris stylifera
Stereocidaris hawaiiensis
Stereocidaris reducta
Stereocidaris namadica
Stereocidaris radiole
Stereocidaris baileyi
Stereocidaris bolli
Stereocidaris canaliculata
Stereocidaris cudmorei
Stereocidaris destefanii
Stereocidaris fosteri
Stereocidaris hispida
Stereocidaris hudspethensis
Stereocidaris hutchinsoni
Stereocidaris inermis
Stereocidaris intricata
Stereocidaris jaekeli
(tree size 3)
Stereocidaris keertii
Stereocidaris monilifera
Stereocidaris opipara
Stereocidaris rugensis
Stereocidaris trigonodus