Children (11 direct children, 429 direct and indirect children):
Simplicithyris
(tree size 2)
Holobrachia
(tree size 1)
Zeillerioidea
(tree size 21)
Kingenoidea
(tree size 19)
Laqueoidea
(tree size 95)
Megathyridoidea
(tree size 51)
Bouchardioidea
(tree size 3)
Platidioidea
(tree size 35)
Terebratelloidea
(tree size 153)
Kraussinoidea
(tree size 38)
Mosaethyrididae