Children (16 direct children, 195 direct and indirect children):
Inoceramus
(tree size 116)
Volviceramus
(tree size 6)
Platyceramus
Actinoceramus
Inoceraminae
Coloniceraminae
Sachalinoceraminae
Mytiloides
(tree size 15)
Pseudomytiloides
(tree size 1)
Cremnoceramus
Cladoceramus
Cataceramus
(tree size 19)
Endocostea
(tree size 5)
Haenleinia
Posidonioceramus
(tree size 2)
Sphenoceramus
(tree size 15)