Children (11 direct children, 16 direct and indirect children):
Caumontisphinctes
Durotrigensia
Okribites
Strenoceras
Parkinsonia
(tree size 4)
Parkinsonia bayle
Oraniceras
(tree size 1)
Pseudocosmoceras
Hemigarantia
Gonolkites
Parapatoceratinae
Parkinsoniinae