Opinions from J. F. Mason 1935

  • 'Acrocephalites belongs to Conocoryphidae'
  • 'Acrocephalites trifossatus belongs to Acrocephalites'
  • 'Amecephalus belongs to Olenidae'
  • 'Amecephalus strangulatus belongs to Amecephalus'
  • 'Anomocarella belongs to Dikelocephalidae'
  • 'Anomocarella spatha belongs to Anomocarella'
  • 'Bathyuriscus howelli belongs to Bathyuriscus' according to Walcott 1888
  • 'Bathyuriscus howelli belongs to Bathyuriscus' according to Toll 1899
  • 'Bathyuriscus howelli belongs to Bathyuriscus' according to Grabau and Shimer 1910
  • 'Bathyuriscus howelli belongs to Bathyuriscus'
  • 'Bathyuriscus howelli lodensis is recombined as Anoria lodensis'
  • 'Bathyuriscus maximus belongs to Bathyuriscus'
  • 'Branchiata belongs to Arthropoda'
  • 'Chancelloria eros belongs to Chancelloria'
  • 'Conocoryphidae belongs to Opisthoparia'
  • 'Crustacea was reranked as a class and belongs to Branchiata'
  • 'Dikelocephalus quadriceps belongs to Dikelocephalus' according to Hall and Whitfield 1877
  • 'Dikelocephalus quadriceps is recombined as Olenoides quadriceps' according to Walcott 1886
  • 'Dikelocephalus quadriceps is recombined as Olenoides quadriceps' according to Walcott 1888
  • 'Dikelocephalus quadriceps is recombined as Olenoides quadriceps' according to Walcott 1890
  • 'Dikelocephalus quadriceps is recombined as Dorypyge quadriceps' according to Dames 1884
  • 'Dikelocephalus quadriceps is recombined as Dorypyge quadriceps' according to Walcott 1889
  • 'Dikelocephalus quadriceps is recombined as Dorypyge quadriceps' according to Matthew 1897
  • 'Dikelocephalus quadriceps is recombined as Dorypyge quadriceps'
  • 'Hyolithes belongs to Hyolithidae'
  • 'Hyolithes princeps belongs to Hyolithes'
  • 'Obolidae belongs to Obolacea'
  • 'Obolinae belongs to Obolidae'
  • 'Ogygia parabola belongs to Ogygia' according to Hall and Whitfield 1877
  • 'Ogygia producta is recombined as Niobe producta' according to Brogger 1886
  • 'Ogygia producta is recombined as Bathyuriscus productus' according to Pack 1906
  • 'Ogygia producta is recombined as Bathyuriscus productus' according to Grabau and Shimer 1910
  • 'Ogygia producta is recombined as Dolichometopus productus' according to Walcott 1916
  • 'Olenoides typicalis belongs to Olenoides' according to Walcott 1886
  • 'Olenoides typicalis is recombined as Zacanthoides typicalis' according to Walcott 1888
  • 'Olenoides typicalis is recombined as Zacanthoides typicalis'
  • 'Opisthoparia belongs to Trilobita'
  • 'Orthis highlandensis is recombined as Billingsella highlandensis'
  • 'Pagetia clytia belongs to Pagetia'
  • 'Ptychoparia linnarssoni is recombined as Alokistocare linnarssoni'
  • 'Ptychoparia piochensis belongs to Ptychoparia' according to Walcott 1886
  • 'Ptychoparia piochensis belongs to Ptychoparia' according to Pack 1906
  • 'Ptychoparia piochensis belongs to Ptychoparia' according to Grabau and Shimer 1910
  • 'Ptychoparia piochensis is recombined as Amecephalus piochensis' according to Walcott 1924
  • 'Ptychoparia piochensis is recombined as Amecephalus piochensis' according to Walcott 1925
  • 'Ptychoparia piochensis is recombined as Liostracus piochensis' according to Lorenz 1906
  • 'Ptychoparia piochensis is recombined as Amecephalus piochensis'
  • 'Trilobita was reranked as a subclass and belongs to Crustacea'
  • 'Westonia belongs to Obolinae'
  • 'Westonia ella belongs to Westonia' according to Walcott 1912
  • 'Westonia ella belongs to Westonia'
  • 'Zacanthoides belongs to Oryctocephalidae'