Invalid names: Hungarites (Otoceras) fissisellatum Diener 1897 [synonym], Hungarites (Otoceras) parbati Diener 1897 [synonym], Otoceras (Metotoceras) dieneri Spath 1930 [synonym], Otoceras boreale Spath 1935 [synonym], Otoceras clivei Diener 1897 [synonym], Otoceras draupadi Diener 1897 [synonym], Otoceras gracile Tozer 1994 [synonym], Otoceras latilobatum Wang 1976 [synonym], Otoceras woodwardi undatum Griesbach 1880 [invalid subgroup]