Class [Cephalopoda] Cuvier, 1795 - cephalopods Subclass †Ammonoidea Zittel, 1884 Order †Ceratitida Hyatt, 1884 01 Suborder †Paraceltitina Shevyrev, 1968 02 Suborder †Otocerina 03 Suborder †Meekocerina 04 Suborder †Sagecerina 05 Suborder †Ptychitina 06 Suborder †Ceratitina Hyatt, 1884 07 Suborder †Pinacocerina 08 Suborder †Megaphyllitina 09 Suborder †Arcestina 10 Suborder †Lobitina