Children (56 direct children, 57 direct and indirect children):
Ophidiaster ophidianus
Ophidiaster multispinus
Ophidiaster lorioli
Ophidiaster confertus
Ophidiaster duncani
Ophidiaster guildingi
Ophidiaster helicostichus
Ophidiaster granifer
Ophidiaster alexandri
Ophidiaster cribrarius
Ophidiaster bullisi
Ophidiaster easterensis
Ophidiaster hemprichi
Ophidiaster reyssi
Ophidiaster perplexus
Ophidiaster perrieri
Ophidiaster rhabdotus
Ophidiaster armatus
Ophidiaster ludwigi
Ophidiaster agassizi
Ophidiaster kermadecensis
Ophidiaster macknighti
Ophidiaster bayeri
Ophidiaster attenuatus
Ophidiaster arenatus
Ophidiaster chinensis
Ophidiaster bicolor
Pharia pyramidatus
Ophidiaster tuberifer
Ophidiaster robillardi
Ophidiaster aequalis
Ophidiaster campbelli
Ophidiaster columbiae
Ophidiaster cylindricus
Ophidiaster dubiosus
Ophidiaster floridae
Ophidiaster fuscus
Ophidiaster hirsutus
Ophidiaster irregularis
Ophidiaster laevigatus
Ophidiaster leachi
(tree size 1)
Ophidiaster lymani
Ophidiaster marmoratus
Ophidiaster multiforis
Ophidiaster ornatus
Ophidiaster pusillus
Ophidiaster schismochilus
Ophidiaster sclerodermus
Ophidiaster superba
Ophidiaster tenellus
Ophidiaster triseriatus
Ophidiaster tuberculatus
Ophidiaster tumescens
Ophidiaster vestitus
Ophidiaster watsoni
Ophidiaster pinguis