Opinions from J. J. Eberle and J. A. Lillegraven 1998

  • 'Alticonus belongs to Periptychidae'
  • 'Alticonus gazini belongs to Alticonus'
  • 'Ampliconus belongs to Periptychidae'
  • 'Ampliconus antoni belongs to Ampliconus'
  • 'Ampliconus browni belongs to Ampliconus'
  • 'Anisonchus agapetillus is recombined as Oxyacodon agapetillus'
  • 'Anisonchus apiculatus is a subjective synonym of Mithrandir gillianus'
  • 'Anisonchus apiculatus is a subjective synonym of Mithrandir gillianus' according to Cifelli 1983
  • 'Anisonchus cophater is recombined as Conacodon cophater'
  • 'Baioconodon middletoni belongs to Baioconodon'
  • 'Chriacus antiquus is recombined as Oxyclaenus antiquus'
  • 'Chriacus hyattianus is recombined as Loxolophus hyattianus'
  • 'Chriacus priscus is recombined as Loxolophus priscus'
  • 'Conacodon delphae belongs to Conacodon'
  • 'Conacodon harbourae belongs to Conacodon'
  • 'Ectoconus cavigellii belongs to Ectoconus'
  • 'Ectoconus majusculus is a subjective synonym of Ectoconus ditrigonus'
  • 'Fimbrethil is a subjective synonym of Oxyacodon'
  • 'Fimbrethil ambaronae is a subjective synonym of Oxyacodon agapetillus'
  • 'Gillisonchus is a subjective synonym of Mithrandir'
  • 'Gillisonchus is a subjective synonym of Mithrandir' according to Cifelli 1983
  • 'Haploconus gillianus is recombined as Mithrandir gillianus'
  • 'Haploconus gillianus is recombined as Mithrandir gillianus' according to Cifelli 1983
  • 'Loxolophus faulkneri belongs to Loxolophus'
  • 'Loxolophus nordicus is recombined as Baioconodon nordicus'
  • 'Maiorana ferrisensis belongs to Maiorana'
  • 'Mioclaenus cuspidatus is recombined as Oxyclaenus cuspidatus'
  • 'Mithrandir belongs to Periptychidae'
  • 'Oxyacodon priscilla belongs to Oxyacodon'
  • 'Periptychus brabensis is a subjective synonym of Periptychus coarctatus'
  • 'Periptychus coarctatus belongs to Periptychus'
  • 'Periptychus ditrigonus is recombined as Ectoconus ditrigonus'
  • 'Periptychus matthewi is a subjective synonym of Periptychus coarctatus'
  • 'Protogonodon is a subjective synonym of Loxolophus'
  • 'Protogonodon grangeri is recombined as Loxolophus grangeri'
  • 'Ragnarok is a subjective synonym of Baioconodon'
  • 'Ragnarok engdahli is recombined as Baioconodon engdahli'
  • 'Ragnarok harbichti is a subjective synonym of Baioconodon nordicus'
  • 'Ragnarok wovokae is recombined as Baioconodon wovokae'