Opinions from W. J. Kennedy and H. C. Klinger 2008

  • 'Acanthoceras hirsutum is a subjective synonym of Lyelliceras pseudolyelli'
  • 'Acanthoceras prorsocurvatum is recombined as Prolyelliceras prorsocurvatum'
  • 'Acanthoceras pseudolyelli is recombined as Lyelliceras pseudolyelli'
  • 'Ammonites camatteanus is recombined as Tegoceras camatteanum'
  • 'Ammonites lyelli is recombined as Lyelliceras lyelli'
  • 'Ammonites mosensis is recombined as Tegoceras mosense'
  • 'Ammonites versicostatus is recombined as Pseudobrancoceras versicostatum'
  • 'Brancoceras (Eubrancoceras) was reranked as Eubrancoceras and belongs to Lyelliceratidae'
  • 'Brancoceras aegoceratoides is recombined as Eubrancoceras aegoceratoides'
  • 'Collignoniceras (Selwynoceras) gratum belongs to Collignoniceras (Selwynoceras)' according to van Hoepen 1968
  • 'Collignoniceras (Selwynoceras) gratum is a subjective synonym of Lyelliceras lyelli'
  • 'Douvilleiceras nodosa belongs to Douvilleiceras' according to Etheridge 1907
  • 'Douvilleiceras nodosa is a subjective synonym of Lyelliceras lyelli'
  • 'Hoplites gladiator is a subjective synonym of Tegoceras mosense'
  • 'Lyelliceras belongs to Lyelliceratinae'
  • 'Lyelliceras latili belongs to Lyelliceras'
  • 'Lyelliceras mathewsi is recombined as Prolyelliceras mathewsi'
  • 'Lyelliceras ulrichi is recombined as Prolyelliceras ulrichi'
  • 'Lyelliceratinae belongs to Lyelliceratidae'
  • 'Prolyelliceras peruvianum is a subjective synonym of Prolyelliceras prorsocurvatum'
  • 'Pseudobrancoceras belongs to Lyelliceratinae'
  • 'Ralphimlayites is a subjective synonym of Prolyelliceras'
  • 'Ralphimlayites alternatum belongs to Ralphimlayites' according to Robert 2002
  • 'Ralphimlayites alternatum is recombined as Prolyelliceras alternatum'
  • 'Rauliniceras is a subjective synonym of Tegoceras'
  • 'Rauliniceras (Seunesiceras) collignoni is recombined as Tegoceras collignoni'
  • 'Selwynoceras was reranked as Collignoniceras (Selwynoceras) and belongs to Collignoniceras' according to van Hoepen 1968
  • 'Seunesiceras is a nomen nudum'
  • 'Tegoceras belongs to Lyelliceratinae'
  • 'Tegoceras miles is a subjective synonym of Tegoceras mosense'
  • 'Tegoceras quadratum is a subjective synonym of Rauliniceras (Seunesiceras) collignoni'