Children (13 direct children, 54 direct and indirect children):
Turrilites
(tree size 12)
Mariella
(tree size 11)
Ostlingoceras
(tree size 4)
Paraturrilites
(tree size 1)
Plesioturrilites
Pseudhelicoceras
(tree size 3)
Turrilitinae
Hypoturrilites
(tree size 6)
Neostlingoceras
(tree size 2)
Notostreptites
(tree size 1)
Tridenticeras
Pseudohelicoceras
Euturrilites
(tree size 1)