Children (41 direct children, 506 direct and indirect children):
Astropecten
(tree size 216)
Dipsacaster
(tree size 21)
Thrissacanthias
(tree size 2)
Astropectinides
(tree size 3)
Leptychaster
(tree size 18)
Trophodiscus
(tree size 2)
Bathybiaster
(tree size 5)
Proserpinaster
(tree size 6)
Psilaster
(tree size 17)
Ctenopleura
(tree size 4)
Tethyaster
(tree size 15)
Persephonaster
(tree size 38)
Patagiaster
(tree size 3)
Plutonaster
(tree size 18)
Dytaster
(tree size 23)
Astromesites
(tree size 3)
Tritonaster
(tree size 3)
Ctenophoraster
(tree size 5)
Pentasteria
(tree size 3)
Betelgeusia
(tree size 4)
Astropectininae
(tree size 2)
Riedaster
(tree size 1)
Bunodaster
(tree size 1)
Mimastrella
(tree size 1)
Koremaster
(tree size 4)
Lonchotaster
(tree size 2)
Macroptychaster
(tree size 1)
Craspidaster
(tree size 3)
Bollonaster
(tree size 2)
Blakiaster
(tree size 1)
Coulonia
(tree size 3)
Archastropecten
(tree size 19)
Leptoptychaster
(tree size 7)
Lophidiaster
(tree size 5)
Advenaster
(tree size 1)
Aldebarania
(tree size 1)
Anthosticte
(tree size 1)
Astrocratis
Eokainaster
Prothrissacanthias
Psilasteropsis
(tree size 1)