Opinions from W. J. Kennedy et al. 1988

  • 'Acanthoceras belongs to Acanthoceratinae'
  • 'Acanthoceras alvaradoense belongs to Acanthoceras' according to Moreman 1942
  • 'Acanthoceras alvaradoense is a subjective synonym of Acanthoceras amphibolum'
  • 'Acanthoceras amphibolum belongs to Acanthoceras'
  • 'Acanthoceras hazzardi is a subjective synonym of Acanthoceras amphibolum'
  • 'Acanthoceras johnsonianum belongs to Acanthoceras' according to Stephenson 1955
  • 'Acanthoceras johnsonianum is recombined as Cunningtoniceras johnsonianum'
  • 'Acanthocerataceae belongs to Ammonitina'
  • 'Acanthoceratidae belongs to Acanthocerataceae'
  • 'Acanthoceratinae belongs to Acanthoceratidae'
  • 'Anisoceras belongs to Anisoceratidae'
  • 'Anisoceratidae belongs to Turrilitaceae'
  • 'Cunningtoniceras belongs to Acanthoceratinae'
  • 'Desmoceras belongs to Desmoceratinae'
  • 'Desmocerataceae belongs to Ammonitina'
  • 'Desmoceratidae belongs to Desmocerataceae'
  • 'Desmoceratinae belongs to Desmoceratidae'
  • 'Hamites plicatilis is recombined as Anisoceras plicatile'
  • 'Inoceramus arvanus belongs to Inoceramus'
  • 'Mantelliceras sellardsi is recombined as Tarrantoceras sellardsi'
  • 'Moremanoceras belongs to Desmoceratinae'
  • 'Moremanoceras straini belongs to Moremanoceras'
  • 'Ostrea beloiti belongs to Ostrea'
  • 'Ostrea elegantula belongs to Ostrea' according to Newberry 1876
  • 'Ostrea elegantula is a nomen oblitum'
  • 'Paracompsoceras belongs to Acanthoceratinae'
  • 'Paracompsoceras landisi belongs to Paracompsoceras'
  • 'Pseudouhligella was reranked as Desmoceras (Pseudouhligella) and belongs to Desmoceras'
  • 'Tarrantoceras belongs to Acanthoceratinae'
  • 'Tarrantoceras lillianense is a subjective synonym of Tarrantoceras sellardsi'
  • 'Tarrantoceras multicostatum is a subjective synonym of Tarrantoceras sellardsi'
  • 'Tarrantoceras rotatile is a subjective synonym of Tarrantoceras sellardsi'
  • 'Tarrantoceras stantoni is a subjective synonym of Tarrantoceras sellardsi'
  • 'Turrilitaceae belongs to Ancyloceratina'
  • 'Turrilites belongs to Turrilitidae'
  • 'Turrilites (Turrilites) belongs to Turrilites'
  • 'Turrilites acutus is recombined as Turrilites (Turrilites) acutus'
  • 'Turrilitidae belongs to Turrilitaceae'