Opinions from V. Jaanusson and M. G. Bassett 1993

  • 'Glossorthis tacens belongs to Glossorthis' according to Opik 1930
  • 'Glossorthis verneuili is recombined as Krattorthis verneuili'
  • 'Gonambonites ovata is recombined as Shoshonorthis ovata'
  • 'Krattorthis belongs to Orthinae'
  • 'Orthambonites belongs to Orthinae'
  • 'Orthambonites aequalis belongs to Orthambonites' according to Pander 1830
  • 'Orthambonites angulatus belongs to Orthambonites' according to Cooper 1959
  • 'Orthambonites angulatus is recombined as Paralenorthis angulatus'
  • 'Orthambonites bellus is recombined as Sivorthis bellus'
  • 'Orthambonites bielsteini is recombined as Sulevorthis bielsteini'
  • 'Orthambonites blountensis is recombined as Sulevorthis blountensis'
  • 'Orthambonites cessatus is recombined as Sulevorthis cessatus'
  • 'Orthambonites dinorthides is recombined as Shoshonorthis dinorthides'
  • 'Orthambonites exopunctatus is recombined as Sulevorthis exopunctatus'
  • 'Orthambonites friendsvillensis is recombined as Sivorthis friendsvillensis'
  • 'Orthambonites fundata belongs to Orthambonites' according to Rubel 1961
  • 'Orthambonites humilidorsatus is recombined as Sulevorthis humilidorsatus'
  • 'Orthambonites humilidorsatus albidus is recombined as Sulevorthis humilidorsatus albidus'
  • 'Orthambonites humilidorsatus primadventus is recombined as Sulevorthis humilidorsatus primadventus'
  • 'Orthambonites humilidorsatus ultimus is recombined as Sulevorthis humilidorsatus ultimus'
  • 'Orthambonites lata is a subjective synonym of Orthambonites calligramma' according to Pander 1830
  • 'Orthambonites majusculus belongs to Orthambonites' according to Rubel 1961
  • 'Orthambonites minus is recombined as Sivorthis minus'
  • 'Orthambonites minutus is recombined as Sivorthis minutus'
  • 'Orthambonites mollesensis is recombined as Paralenorthis mollesensis'
  • 'Orthambonites mostellerensis is recombined as Sulevorthis mostellerensis'
  • 'Orthambonites multicostellatus is recombined as Sivorthis multicostellatus'
  • 'Orthambonites occidentalis is recombined as Sivorthis occidentalis'
  • 'Orthambonites parvicrassicostatus is recombined as Sulevorthis parvicrassicostatus'
  • 'Orthambonites perplexus is recombined as Shoshonorthis perplexus'
  • 'Orthambonites rectangulatus is recombined as Sulevorthis rectangulatus'
  • 'Orthambonites riojanus is recombined as Paralenorthis riojanus'
  • 'Orthambonites robustus is recombined as Paralenorthis robustus'
  • 'Orthambonites rotunda is a subjective synonym of Orthambonites calligramma'
  • 'Orthambonites rotundiformis is recombined as Sulevorthis rotundiformis'
  • 'Orthambonites subconvexus is recombined as Shoshonorthis subconvexus'
  • 'Orthambonites swanensis is recombined as Shoshonorthis swanensis'
  • 'Orthambonites tennesseensis is recombined as Sulevorthis tennesseensis'
  • 'Orthambonites tenuicostatus is recombined as Sivorthis tenuicostata'
  • 'Orthambonites tifletensis is recombined as Shoshonorthis tifletensis'
  • 'Orthidae belongs to Orthacea'
  • 'Orthinae belongs to Orthidae'
  • 'Orthis belongs to Orthinae'
  • 'Orthis alabamensis is recombined as Paralenorthis alabamensis'
  • 'Orthis ardmillanensis is recombined as Sivorthis ardmillanensis'
  • 'Orthis buttsi is recombined as Paralenorthis buttsi' according to Schuchert and Cooper 1932
  • 'Orthis callactis belongs to Orthis' according to Dalman 1828
  • 'Orthis callactis belongs to Orthis'
  • 'Orthis calligramma is recombined as Orthambonites calligramma'
  • 'Orthis calligramma chinensis is a subjective synonym of Paralenorthis serica' according to Chang 1934
  • 'Orthis calligramma hupehensis is recombined as Paralenorthis serica' according to Martelli 1901
  • 'Paralenorthis serica is a subjective synonym of Paralenorthis serica'
  • 'Orthis calligramma proava is recombined as Paralenorthis proava'
  • 'Orthis eucharis is recombined as Sivorthis eucharis'
  • 'Orthis kreklingensis is recombined as Orthambonites kreklingensis'
  • 'Orthis lyckholmiensis belongs to Orthis' according to Wysogorski 1900
  • 'Orthis lyckholmiensis is recombined as Sulevorthis lyckholmiensis'
  • 'Orthis marshalli is recombined as Paralenorthis marshalli'
  • 'Orthis michaelis is recombined as Shoshonorthis michaelis'
  • 'Orthis minusculus is recombined as Paralenorthis minusculus'
  • 'Orthis novitas is recombined as Orthambonites novitas' according to Opik 1939
  • 'Orthis panderania is recombined as Paralenorthis panderania' according to Hall and Clarke 1892
  • 'Paralenorthis belongs to Orthinae'
  • 'Productus orbicularis is recombined as Paralenorthis orbicularis'
  • 'Shoshonorthis belongs to Orthinae'
  • 'Sivorthis belongs to Orthinae'
  • 'Sivorthis filistera belongs to Sivorthis'
  • 'Spirifer alatus is recombined as Paralenorthis alata'