Opinions from M. Urlichs 2017

  • 'Ammonites (Ceratites) achelous is recombined as Klipsteinia achelous'
  • 'Ammonites (Ceratites) busiris is recombined as Arpadites busiris'
  • 'Ammonites aequinodosus is a subjective synonym of Protrachyceras ladinum'
  • 'Ammonites bidenticulatus is a subjective synonym of Arpadites busiris'
  • 'Ammonites furcatus is recombined as Sirenotrachyceras furcatum'
  • 'Ammonites hirschi belongs to Ammonites' according to Laube 1869
  • 'Ammonites hirschi is recombined as Muensterites hirschi'
  • 'Ammonites hoplophorus is a subjective synonym of Klipsteinia achelous'
  • 'Ammonites nodocostatus is a subjective synonym of Sirenotrachyceras furcatum'
  • 'Ammonites subdenticulatus is a subjective synonym of Arpadites busiris'
  • 'Arpadites belongs to Arpaditinae'
  • 'Arpaditinae belongs to Trachyceratidae'
  • 'Ceratites agassizii is a subjective synonym of Sirenotrachyceras furcatum'
  • 'Ceratites basileus is a subjective synonym of Arpadites busiris'
  • 'Ceratites jaegeri is a subjective synonym of Muensterites okeani'
  • 'Ceratites okeani is recombined as Muensterites okeani'
  • 'Dinarites eduardi is a subjective synonym of Klipsteinia radiata'
  • 'Goniatites armatus is a subjective synonym of Klipsteinia achelous'
  • 'Goniatites friesei is a subjective synonym of Klipsteinia achelous'
  • 'Goniatites radiatus is recombined as Klipsteinia radiata'
  • 'Klipsteinia belongs to Arpaditinae'
  • 'Klipsteinia karreri is recombined as Muensterites karreri'
  • 'Klipsteinia nataliae belongs to Klipsteinia'
  • 'Muensterites belongs to Trachyceratinae'
  • 'Protrachyceras belongs to Protrachyceratinae'
  • 'Protrachyceras hadwigae belongs to Protrachyceras' according to Mojsisovics 1893
  • 'Protrachyceras hadwigae is recombined as Sirenotrachyceras hadwigae'
  • 'Protrachyceratinae belongs to Trachyceratidae'
  • 'Sirenitinae belongs to Trachyceratidae'
  • 'Sirenotrachyceras belongs to Sirenitinae'
  • 'Trachyceras ladinum belongs to Trachyceras' according to Mojsisovics 1882
  • 'Trachyceras ladinum is recombined as Protrachyceras ladinum'
  • 'Trachyceras rudolphi is recombined as Sirenotrachyceras rudolphi'
  • 'Trachycerataceae is corrected as Trachyceratoidea and belongs to Ceratitida'
  • 'Trachyceratidae belongs to Trachyceratoidea'
  • 'Trachyceratinae belongs to Trachyceratidae'