Opinions from T. Matsumoto 1984

  • 'Ammonites (Scaphites) ramosus is recombined as Ammonites (Scaphites) ramosum'
  • 'Ammonites diphylloides is recombined as Desmophyllites diphylloides'
  • 'Ammonites nera is recombined as Neophylloceras nera'
  • 'Anapachydiscus belongs to Pachydiscidae'
  • 'Canadoceras belongs to Pachydiscidae'
  • 'Canadoceras multicostatum belongs to Canadoceras' according to Matsumoto 1954
  • 'Canadoceras multicostatum belongs to Canadoceras'
  • 'Desmoceratidae belongs to Desmocerataceae'
  • 'Desmophyllites belongs to Desmoceratidae'
  • 'Diplomoceras belongs to Diplomoceratinae'
  • 'Diplomoceras notabile belongs to Diplomoceras' according to Whiteaves 1903
  • 'Diplomoceras notabile belongs to Diplomoceras'
  • 'Diplomoceratinae belongs to Turrilitidae'
  • 'Hoplitoplacenticeras belongs to Placenticeratidae'
  • 'Hoplitoplacenticeras fugen belongs to Hoplitoplacenticeras'
  • 'Hoplitoplacenticeras monju belongs to Hoplitoplacenticeras' according to Matsumoto 1982
  • 'Hoplitoplacenticeras monju belongs to Hoplitoplacenticeras'
  • 'Menuites belongs to Pachydiscidae'
  • 'Menuites sanadai belongs to Menuites'
  • 'Mesopuzosia belongs to Desmoceratidae'
  • 'Mesopuzosia densicostata belongs to Mesopuzosia' according to Matsumoto 1954
  • 'Mesopuzosia densicostata belongs to Mesopuzosia'
  • 'Metaplacenticeras belongs to Placenticeratidae'
  • 'Neophylloceras belongs to Phylloceratidae'
  • 'Neophylloceras hetonaiense belongs to Neophylloceras' according to Matsumoto 1942
  • 'Neophylloceras hetonaiense belongs to Neophylloceras'
  • 'Nostoceratidae was reranked as the subfamily Nostoceratinae and belongs to Turrilitidae'
  • 'Pachydiscidae belongs to Desmocerataceae'
  • 'Pachydiscus (Parapachydiscus) fascicostatum belongs to Pachydiscus (Parapachydiscus)' according to Yabe 1921
  • 'Pachydiscus (Parapachydiscus) fascicostatum is recombined as Anapachydiscus fascicostatus'
  • 'Parapachydiscus was reranked as Pachydiscus (Parapachydiscus) and belongs to Pachydiscus' according to Yabe 1921
  • 'Parasolenoceras belongs to Nostoceratinae'
  • 'Parasolenoceras splendens belongs to Parasolenoceras'
  • 'Parasolenoceras tomitai belongs to Parasolenoceras'
  • 'Phylloceratidae belongs to Phylloceratina'
  • 'Placenticeras subtilistriatum belongs to Placenticeras' according to Jimbo 1894
  • 'Placenticeras subtilistriatum is recombined as Metaplacenticeras subtilistriatum'
  • 'Placenticeratidae belongs to Hoplitaceae'
  • 'Polyptychoceras belongs to Diplomoceratinae'
  • 'Ptychoceras pseudogaultinum belongs to Ptychoceras' according to Yokoyama 1890
  • 'Ptychoceras pseudogaultinum is recombined as Polyptychoceras pseudogaultinum'
  • 'Saghalinites belongs to Tetragonitidae'
  • 'Saghalinites teshioensis belongs to Saghalinites'
  • 'Tetragonitidae belongs to Lytoceratina'
  • 'Turrilitidae belongs to Turrilitaceae'