Opinions from A. R. Palmer and R. B. Halley 1979

  • 'Agnostoidea belongs to Miomera'
  • 'Agnostus bonnerensis is recombined as Peronopsis bonnerensis'
  • 'Agnostus lautus belongs to Agnostus' according to Resser 1939
  • 'Agnostus lautus is a subjective synonym of Peronopsis bonnerensis'
  • 'Albertella belongs to Zacanthoididae'
  • 'Albertella bosworthi is recombined as Paralbertella bosworthi'
  • 'Albertella bosworthi belongs to Albertella' according to Burling 1916
  • 'Albertella bosworthi belongs to Albertella' according to Walcott 1917
  • 'Albertella longwelli belongs to Albertella'
  • 'Albertella schenki belongs to Albertella' according to Resser 1945
  • 'Albertella schenki belongs to Albertella'
  • 'Albertella similaris belongs to Albertella' according to Resser 1936
  • 'Albertella similaris is a subjective synonym of Paralbertella bosworthi'
  • 'Albertella spectrensis belongs to Albertella'
  • 'Albertella stenorhachis belongs to Albertella' according to Rasetti 1951
  • 'Albertella stenorhachis is a subjective synonym of Paralbertella bosworthi'
  • 'Albertellina belongs to Zacanthoididae'
  • 'Albertellina aspinosa belongs to Albertellina'
  • 'Albertelloides belongs to Zacanthoididae'
  • 'Albertelloides mischi belongs to Albertelloides'
  • 'Albertelloides rectimarginatus belongs to Albertelloides'
  • 'Alokistocare belongs to Ptychopariida'
  • 'Alokistocarella belongs to Ptychopariida'
  • 'Amecephalus is a subjective synonym of Alokistocare'
  • 'Bathyuriscus (Kootenia) was reranked as Kootenia and belongs to Dorypygidae'
  • 'Bathyuriscus (Poliella) was reranked as Poliella and belongs to Dolichometopidae'
  • 'Bathyuriscus howelli lodensis is recombined as Glossopleura lodensis'
  • 'Bristolia belongs to Olenellidae'
  • 'Bristolia anteros belongs to Bristolia'
  • 'Bristolia fragilis belongs to Bristolia'
  • 'Caborcella belongs to Ptychopariida'
  • 'Caborcella clinolimbata is recombined as Nyella clinolimbata'
  • 'Caborcella pseudaulax belongs to Caborcella'
  • 'Caborcella reducta belongs to Caborcella'
  • 'Callavia nevadensis is recombined as Olenellus nevadensis'
  • 'Chancia belongs to Ptychopariida'
  • 'Corynexochus (Bonnia) was reranked as Bonnia and belongs to Dorypygidae'
  • 'Crepicephalus augusta is recombined as Kochaspis augusta'
  • 'Crepicephalus liliana is recombined as Kochaspis liliana'
  • 'Dolichometopidae belongs to Corynexochida'
  • 'Dolichometopsis gravis belongs to Dolichometopsis' according to Resser 1939
  • 'Dolichometopsis gravis is a subjective synonym of Poliella germana'
  • 'Dolichometopsis potens belongs to Dolichometopsis' according to Resser 1939
  • 'Dolichometopsis potens is a subjective synonym of Poliella germana'
  • 'Dorypygidae belongs to Corynexochida'
  • 'Ehmaniella maladensis belongs to Ehmaniella' according to Resser 1939
  • 'Ehmaniella maladensis is recombined as Chancia maladensis'
  • 'Elrathina belongs to Ptychopariida'
  • 'Elrathina antiqua belongs to Elrathina'
  • 'Eodiscidae belongs to Eodiscoidea'
  • 'Eodiscoidea belongs to Miomera'
  • 'Eoptychoparia belongs to Ptychopariida'
  • 'Eoptychoparia piochensis belongs to Eoptychoparia'
  • 'Fieldaspis belongs to Zacanthoididae'
  • 'Fremontia is a subjective synonym of Olenellus'
  • 'Glossopleura belongs to Dolichometopidae'
  • 'Glossopleura expansa belongs to Glossopleura' according to Poulsen 1927
  • 'Glossopleura expansa is a subjective synonym of Glossopleura walcotti'
  • 'Glossopleura sulcata belongs to Glossopleura' according to Poulsen 1927
  • 'Glossopleura sulcata is a subjective synonym of Glossopleura walcotti'
  • 'Glossopleura tuta belongs to Glossopleura' according to Resser 1945
  • 'Glossopleura tuta belongs to Glossopleura'
  • 'Glossopleura walcotti belongs to Glossopleura' according to Poulsen 1927
  • 'Glossopleura walcotti belongs to Glossopleura' according to Poulsen 1964
  • 'Glossopleura walcotti belongs to Glossopleura'
  • 'Kochaspis belongs to Ptychopariida'
  • 'Kochiellina belongs to Ptychopariida'
  • 'Kochiellina groomensis belongs to Kochiellina'
  • 'Kochiellina janglensis belongs to Kochiellina'
  • 'Kochina venusta belongs to Kochina' according to Resser 1939
  • 'Kootenia germana belongs to Kootenia' according to Resser 1939
  • 'Kootenia germana belongs to Kootenia'
  • 'Macannaia belongs to Eodiscidae'
  • 'Mesonacis is a subjective synonym of Olenellus'
  • 'Mesonacis bristolensis is recombined as Bristolia bristolensis'
  • 'Mexicaspis belongs to Zacanthoididae'
  • 'Mexicaspis radiatus belongs to Mexicaspis'
  • 'Mexicella belongs to Ptychopariida'
  • 'Mexicella grandoculus belongs to Mexicella'
  • 'Mexicella mexicana belongs to Mexicella'
  • 'Nyella belongs to Ptychopariida'
  • 'Nyella immoderata belongs to Nyella'
  • 'Ogygopsididae is a subjective synonym of Dorypygidae'
  • 'Ogygopsis belongs to Dorypygidae'
  • 'Olenellidae belongs to Olenellida'
  • 'Olenellus belongs to Olenellidae'
  • 'Olenellus arcuatus belongs to Olenellus'
  • 'Olenellus brachyomma belongs to Olenellus'
  • 'Olenellus cylindricus belongs to Olenellus'
  • 'Olenellus euryparia belongs to Olenellus'
  • 'Olenellus fremonti belongs to Olenellus'
  • 'Olenellus gilberti belongs to Olenellus'
  • 'Olenellus howelli belongs to Olenellus'
  • 'Olenellus iddingsi is recombined as Peachella iddingsi'
  • 'Olenellus multinodus belongs to Olenellus'
  • 'Oryctocephalidae belongs to Corynexochida'
  • 'Oryctocephalina belongs to Oryctocephalidae'
  • 'Oryctocephalites belongs to Oryctocephalidae'
  • 'Oryctocephalites typicalis belongs to Oryctocephalites' according to Resser 1939
  • 'Oryctocephalites typicalis belongs to Oryctocephalites' according to Frtiz 1968
  • 'Oryctocephalites typicalis belongs to Oryctocephalites' according to Shergold 1969
  • 'Oryctocephalites typicalis belongs to Oryctocephalites'
  • 'Oryctocephalus belongs to Oryctocephalidae'
  • 'Oryctocephalus americanus belongs to Oryctocephalus'
  • 'Oryctocephalus maladensis belongs to Oryctocephalus' according to Resser 1939
  • 'Oryctocephalus maladensis belongs to Oryctocephalus' according to Fritz 1968
  • 'Oryctocephalus maladensis is recombined as Oryctocephalina maladensis'
  • 'Oryctocephalus nyensis belongs to Oryctocephalus'
  • 'Pachyaspis belongs to Ptychopariida'
  • 'Pachyaspis gallagari belongs to Pachyaspis'
  • 'Paedeumias is a subjective synonym of Olenellus'
  • 'Paedeumias puertoblancoensis is recombined as Olenellus puertoblancoensis'
  • 'Paedumias clarki is recombined as Olenellus clarki'
  • 'Pagetia belongs to Eodiscidae'
  • 'Pagetia arenosa is a subjective synonym of Pagetia rugosa'
  • 'Pagetia maladensis belongs to Pagetia' according to Resser 1939
  • 'Pagetia maladensis belongs to Pagetia' according to Rasetti 1966
  • 'Pagetia maladensis belongs to Pagetia' according to Fritz 1968
  • 'Pagetia maladensis is recombined as Macannaia maladensis' according to Jell 1975
  • 'Pagetia maladensis is recombined as Macannaia maladensis'
  • 'Pagetia resseri belongs to Pagetia' according to Fritz 1968
  • 'Pagetia resseri belongs to Pagetia'
  • 'Pagetia rugosa belongs to Pagetia' according to Rasetti 1966
  • 'Pagetia rugosa belongs to Pagetia'
  • 'Paralbertella belongs to Zacanthoididae'
  • 'Peachella belongs to Olenellidae'
  • 'Peachella brevispina belongs to Peachella'
  • 'Peronopsis belongs to Quadragnostidae'
  • 'Plagiura belongs to Ptychopariida'
  • 'Plagiura extensa belongs to Plagiura'
  • 'Plagiura minor belongs to Plagiura'
  • 'Plagiura retracta belongs to Plagiura'
  • 'Plagiurella is a subjective synonym of Plagiura'
  • 'Poliella lomataspis belongs to Poliella'
  • 'Poulsenia granosa is recombined as Nyella granosa'
  • 'Ptarmigania agrestis belongs to Ptarmigania' according to Resser 1939
  • 'Ptarmigania agrestis is a subjective synonym of Poliella germana'
  • 'Ptarmigania altilis belongs to Ptarmigania' according to Resser 1939
  • 'Ptarmigania altilis is a subjective synonym of Poliella germana'
  • 'Ptarmigania dignata belongs to Ptarmigania' according to Resser 1939
  • 'Ptarmigania dignata is a subjective synonym of Poliella germana'
  • 'Ptarmigania germana belongs to Ptarmigania' according to Resser 1939
  • 'Ptarmigania germana is recombined as Poliella germana' according to Fritz 1968
  • 'Ptarmigania germana is recombined as Poliella germana'
  • 'Ptarmiganoides belongs to Zacanthoididae'
  • 'Ptarmiganoides crassaxis belongs to Ptarmiganoides'
  • 'Ptarmiganoides hexacantha belongs to Ptarmiganoides'
  • 'Quadragnostidae belongs to Agnostoidea'
  • 'Schistometopus belongs to Ptychopariida'
  • 'Sonoraspis is a subjective synonym of Glossopleura'
  • 'Strotocephalus is a subjective synonym of Alokistocare'
  • 'Syspacephalus belongs to Ptychopariida'
  • 'Syspacephalus longus belongs to Syspacephalus'
  • 'Syspacephalus obscurus belongs to Syspacephalus'
  • 'Taxioura typicalis belongs to Taxioura' according to Resser 1979
  • 'Taxioura typicalis is recombined as Ogygopsis typicalis'
  • 'Thoracocare belongs to Oryctocephalidae'
  • 'Tonkinella idahoensis belongs to Tonkinella' according to Resser 1939
  • 'Tonkinella idahoensis is recombined as Thoracocare idahoensis' according to Robison and Campbell 1974
  • 'Tonkinella idahoensis is recombined as Thoracocare idahoensis'
  • 'Volocephalina belongs to Ptychopariida'
  • 'Volocephalina connexa belongs to Volocephalina'
  • 'Volocephalina contracta belongs to Volocephalina'
  • 'Wenkchemnia spinicollus belongs to Wenkchemnia' according to Rasetti 1951
  • 'Wenkchemnia sulcata belongs to Wenkchemnia' according to Rasetti 1951
  • 'Wenkchemnia walcotti belongs to Wenkchemnia' according to Rasetti 1951
  • 'Zacanthoides belongs to Zacanthoididae'
  • 'Zacanthoides variacantha belongs to Zacanthoides'
  • 'Zacanthoididae belongs to Corynexochida'