Children (103 direct children, 748 direct and indirect children):
Calliaster
(tree size 17)
Fromia
(tree size 20)
Ceramaster
(tree size 31)
Sphaeriodiscus
(tree size 9)
Astroceramus
(tree size 11)
Rosaster
(tree size 13)
Nymphaster
(tree size 34)
Lithosoma
(tree size 7)
Glyphodiscus
(tree size 4)
Peltaster
(tree size 5)
Pillsburiaster
(tree size 10)
Litonotaster
(tree size 4)
Anthenoides
(tree size 12)
Milteliphaster
(tree size 2)
Ferdina
(tree size 10)
Cladaster
(tree size 6)
Mediaster
(tree size 29)
Stellasteropsis
(tree size 3)
Chitonaster
(tree size 4)
Pergamaster
(tree size 4)
Iconaster
(tree size 8)
Circeaster
(tree size 10)
Stellaster
(tree size 21)
Plinthaster
(tree size 9)
Pseudoceramaster
(tree size 4)
Metopaster
(tree size 52)
Diplasiaster
(tree size 1)
Lydiaster
(tree size 2)
Eratosaster
(tree size 1)
Calliderma
(tree size 13)
Calliderma (sea star)
Nectria
(tree size 8)
Nectria (sea star)
Apollonaster
(tree size 2)
Marocaster
(tree size 1)
Goniaster
(tree size 8)
Cryptopeltaster
(tree size 1)
Celerina
Hippasterinae
(tree size 45)
Pentagonasterinae
(tree size 84)
Astropatricia
(tree size 1)
Astrothauma
(tree size 1)
Atelorias
(tree size 1)
Enigmaster
(tree size 1)
Floriaster
(tree size 1)
Gigantaster
(tree size 1)
Johannaster
(tree size 2)
Kermitaster
(tree size 1)
Mabahissaster
(tree size 1)
Mariaster
(tree size 1)
Notioceramus
(tree size 1)
Ogmaster
(tree size 1)
Pontioceramus
(tree size 1)
Progoniaster
(tree size 1)
Pseudogoniodiscaster
(tree size 1)
Sibogaster
(tree size 3)
Siraster
(tree size 1)
Styphlaster
(tree size 1)
Tessellaster
(tree size 2)
Bathyceramaster
(tree size 2)
Goniasterinae
Pseudarchasterinae
Hippasteriinae
Kanakaster
(tree size 6)
Pentoplia
(tree size 1)
Eosaster
(tree size 1)
Bathyferdina
(tree size 2)
Comptoniaster
(tree size 9)
Comptonia
(tree size 7)
Comptonia (sea star)
Mediasterinae
Ferdininae
Iphiaster
(tree size 1)
Leioastra
(tree size 1)
Wallastra
(tree size 1)
Astrogonium
(tree size 20)
Forbesiaster
(tree size 1)
Pachyaster
(tree size 1)
Chomataster
(tree size 13)
Crateraster
(tree size 12)
Pycinaster
(tree size 11)
Ravniaster
(tree size 7)
Recurvaster
(tree size 10)
Teichaster
(tree size 6)
Bugarachaster
Caletaster
Codellaster
Cymbaster
Dictydaster
Formalhautia
Fredaster
Haccourtaster
Miopentagonaster
Noviaster
(tree size 1)
Ocalaster
Ophryaster
Oyenaster
Parametopaster
Pulcinellaster
Talecaster
Tosiaster
Weitschataster
Tylaster
(tree size 1)
Tylasteria
(tree size 1)
Dorigona
(tree size 1)
Capellia
(tree size 1)