Opinions from H. Frebold 1970

  • 'Acanthopleuroceras belongs to Acanthopleuroceratinae'
  • 'Acanthopleuroceras pseudonatrix belongs to Acanthopleuroceras'
  • 'Acanthopleuroceras sutherlandbrowni belongs to Acanthopleuroceras'
  • 'Acanthopleuroceratinae belongs to Polymorphitidae'
  • 'Amaltheidae belongs to Eoderocerataceae'
  • 'Amaltheus belongs to Amaltheidae'
  • 'Ammonites actaeon is recombined as Cycloceras actaeon' according to Futterer 1893
  • 'Ammonites actaeon is recombined as Tropidoceras actaeon'
  • 'Ammonites algovianus is recombined as Arieticeras algovianum'
  • 'Ammonites bechei is recombined as Liparoceras (Becheiceras) bechei'
  • 'Ammonites lamellosus is recombined as Phricodoceras lamellosum'
  • 'Ammonites natrix belongs to Ammonites' according to Zieten 1830
  • 'Ammonites natrix is replaced by Acanthopleuroceras pseudonatrix'
  • 'Ammonites natrix belongs to Ammonites' according to Schlotheim 1820
  • 'Ammonites natrix is recombined as Echioceras natrix' according to Jaworski 1931
  • 'Ammonites natrix is recombined as Echioceras natrix'
  • 'Ammonites pseudoradians belongs to Ammonites' according to Reynes 1868
  • 'Ammonites pseudoradians is recombined as Leptaleoceras pseudoradians'
  • 'Ammonites taylori is recombined as Phricodoceras taylori'
  • 'Argutarpites argutus is recombined as Paltarpites argutus'
  • 'Arieticeras belongs to Arieticeratinae'
  • 'Arieticeratinae belongs to Hildoceratidae'
  • 'Becheiceras was reranked as Liparoceras (Becheiceras) and belongs to Liparoceras'
  • 'Crucilobiceras belongs to Eoderoceratinae'
  • 'Crucilobiceras mouterdei belongs to Crucilobiceras'
  • 'Crucilobiceras pacificum belongs to Crucilobiceras'
  • 'Dactylioceras belongs to Dactylioceratidae'
  • 'Dactylioceratidae belongs to Eoderocerataceae'
  • 'Eoderoceratidae belongs to Eoderocerataceae'
  • 'Eoderoceratinae belongs to Eoderoceratidae'
  • 'Fanninoceras belongs to Oxynoticeratidae'
  • 'Gleviceras belongs to Oxynoticeratidae'
  • 'Harpoceratinae belongs to Hildoceratidae'
  • 'Hildoceratidae belongs to Hildocerataceae'
  • 'Leptaleoceras belongs to Arieticeratinae'
  • 'Liparoceras belongs to Liparoceratidae'
  • 'Liparoceratidae belongs to Eoderocerataceae'
  • 'Oxynoticeratidae belongs to Psilocerataceae'
  • 'Paltarpites belongs to Harpoceratinae'
  • 'Paltarpites paltus belongs to Paltarpites'
  • 'Phricodoceras belongs to Phricodoceratinae'
  • 'Phricodoceratinae belongs to Eoderoceratidae'
  • 'Platypleuroceras belongs to Polymorphitinae'
  • 'Pleuroceras belongs to Amaltheidae'
  • 'Polymorphitidae belongs to Eoderocerataceae'
  • 'Polymorphitinae belongs to Polymorphitidae'
  • 'Prodactylioceras belongs to Dactylioceratidae'
  • 'Radstockiceras belongs to Oxynoticeratidae'
  • 'Tropidoceras belongs to Acanthopleuroceratinae'
  • 'Uptonia belongs to Polymorphitinae'
  • 'Uptonia dayiceroides belongs to Uptonia'
  • 'Uptonia dayiceroides belongs to Uptonia' according to Mouterde 1951