Children (10 direct children, 821 direct and indirect children):
Ancyloceratoidea
(tree size 277)
Turrilitoidea
(tree size 335)
Deshayesitaceae
(tree size 65)
Hamitidae
(tree size 45)
Scaphitaceae
Scaphitoidea
Ancylocerataceae
(tree size 15)
Douvilleicerataceae
(tree size 47)
Turrilitaceae
Deshayesitidae
(tree size 27)
Douvilleiceratoidea