Class [Cephalopoda] Cuvier, 1795 - cephalopods Subclass †Ammonoidea Zittel, 1884 01 Order †Anarcestida Miller & Furnish, 1954 02 Order †Tornocerida (Wedekind, 1918) 03 Order †Goniatitida Hyatt, 1884 04 Order †Praeglyphiocerida 05 Order †Clymeniida Hyatt, 1884 06 Order †Medlicottiida 07 Order †Ceratitida Hyatt, 1884 08 Order †Phyllocerida 09 Order †Lytocerida 10 Order †Ammonitida Hyatt, 1889