Children (15 direct children, 56 direct and indirect children):
Poraniomorpha
(tree size 7)
Chondraster
(tree size 3)
Spoladaster
(tree size 2)
Marginaster
(tree size 6)
Porania
(tree size 9)
Poraniopsis
(tree size 5)
Bathyporania
(tree size 1)
Clavaporania
(tree size 2)
Clavaporania fitchorum
Tylaster
(tree size 1)
Culcitopsis
(tree size 1)
Glabraster
(tree size 2)
Lahillea
(tree size 1)
Lahillia loriol, 1904
Ortmannia loriol, 1906
(tree size 1)
Noriaster