Children (9 direct children, 238 direct and indirect children):
Actinoconchus
Mucrospiriferidae
(tree size 5)
Cyrtinidae
(tree size 3)
Cyrtospiriferidae
(tree size 5)
Spiriferidina
(tree size 106)
Spiriferinidina
(tree size 44)
Atripidina
(tree size 20)
Delthyridina
(tree size 46)
Fimbrispiriferidae