Children (6 direct children, 396 direct and indirect children):
Dimeroceratoidea
(tree size 41)
Dimerocerataceae
Prionoceratoidea
(tree size 167)
Prionocerataceae
Pseudohaloritoidea
(tree size 78)
Pseudohaloritaceae
Tornoceratoidea
(tree size 104)
Tornocerataceae
Praeglyphioceratoidea