Children (15 direct children, 134 direct and indirect children):
Heteraster
(tree size 14)
Epiaster
(tree size 41)
Aphelaster
(tree size 1)
Macraster
(tree size 17)
Miotoxaster
(tree size 1)
Niponaster
Pliotoxaster
(tree size 4)
Toxaster
(tree size 22)
Pseudowashitaster
(tree size 1)
Somalechinus
(tree size 1)
Washitaster
(tree size 4)
Douvillaster
(tree size 3)
Enallaster
(tree size 10)
[unassigned] toxasteridae
Hypsaster