Sibiritidae
Sibiritidae constitutes a family of ceratitid ammonites described in the Treatise, Part L, 1957, as ribbed or tuberculate derivatives of Meekoceritidae with modification of the venter from mere widening and transverse ribbing to sulcation.
The Sibiritidae have been removed from the Noritoidea where 8 genera were included to the Ceratitoidea with some 14 genera within three defined subfamilies, as indicated.
Keyserlingitinae
Olenikitinae
'''Silberlingitinae'''