Opinions from W. A. Cobban and W. J. Kennedy 1992

  • 'Ammonites delawarensis is recombined as Menabites (Delawarella) delawarensis'
  • 'Ammonites vanuxemi is recombined as Menabites (Delawarella) vanuxemi'
  • 'Baculites belongs to Baculitidae'
  • 'Baculites aquilaensis belongs to Baculites'
  • 'Baculitidae belongs to Turrilitaceae'
  • 'Collignoniceratidae belongs to Acanthocerataceae'
  • 'Delawarella danei belongs to Delawarella' according to Young 1963
  • 'Delawarella danei is recombined as Menabites (Delawarella) danei'
  • 'Diplomoceratidae belongs to Turrilitaceae'
  • 'Diplomoceratinae belongs to Diplomoceratidae'
  • 'Eupachydiscus belongs to Pachydiscidae'
  • 'Glyptoxoceras belongs to Diplomoceratinae'
  • 'Menabites belongs to Texanitinae'
  • 'Menabites (Delawarella) belongs to Menabites'
  • 'Menabites (Delawarella) was reranked as Delawarella and belongs to Texanitinae' according to Young 1963
  • 'Pachydiscidae belongs to Desmocerataceae'
  • 'Pachydiscus belongs to Pachydiscidae'
  • 'Pachydiscus (Pachydiscus) belongs to Pachydiscus'
  • 'Pachydiscus grossouvrei belongs to Pachydiscus' according to Kossmat 1898
  • 'Pachydiscus grossouvrei is recombined as Eupachydiscus grossouvrei'
  • 'Parapuzosia paulsoni belongs to Parapuzosia' according to Young 1963
  • 'Parapuzosia paulsoni is recombined as Pachydiscus (Pachydiscus) paulsoni'
  • 'Placenticeras belongs to Placenticeratidae'
  • 'Placenticeratidae belongs to Hoplitaceae'
  • 'Scaphitaceae belongs to Ancyloceratina'
  • 'Scaphites belongs to Scaphitinae'
  • 'Scaphites (Scaphites) belongs to Scaphites'
  • 'Scaphites spiniger is recombined as Trachyscaphites spiniger'
  • 'Scaphitidae belongs to Scaphitaceae'
  • 'Scaphitinae belongs to Scaphitidae'
  • 'Texanitinae belongs to Collignoniceratidae'
  • 'Trachyscaphites belongs to Scaphitinae'
  • 'Trachyscaphites densicostatus belongs to Trachyscaphites'
  • 'Turrilitaceae belongs to Ancyloceratina'