Opinions from E. Landing et al. 2008
- 'Acanthomicmacca belongs to Chengkouiidae'
- 'Acrothyra belongs to Acrotretidae'
- 'Acrothyra sera belongs to Acrothyra' according to Mathew 1902
- 'Acrothyra sera belongs to Acrothyra'
- 'Acrotreta proavia belongs to Acrotreta' according to Mathew 1899
- 'Acrotreta proavia is recombined as Acrothyra proavia'
- 'Agnostida belongs to Trilobita'
- 'Agnostina belongs to Agnostida'
- 'Agnostus lens belongs to Agnostus' according to Grönwall 1902
- 'Agnostus lens is recombined as Cotalagnostus lens'
- 'Arcotretidae belongs to Arcotretida'
- 'Bathyuriscus (Kootenia) belongs to Bathyuriscus' according to Walcott 1889
- 'Bathyuriscus (Kootenia) was reranked as Kootenia and belongs to Dorypyginae'
- 'Bathyuriscus (Kootenia) dawsoni is recombined as Kootenia dawsoni'
- 'Bradoria belongs to Bradoriidae'
- 'Bradoria scrutator belongs to Bradoria' according to Mathew 1899
- 'Bradoria scrutator belongs to Bradoria'
- 'Bradoriida was reranked as a order and belongs to Crustacea'
- 'Bradoriidae belongs to Bradoriida'
- 'Braintreella belongs to Ptychopariidae'
- 'Calymene aculeata is recombined as Parasolenopleura aculeata'
- 'Chengkouidae belongs to Corynexochidacea'
- 'Conocephalites baileyi belongs to Conocephalites' according to Hartt 1868
- 'Conocephalites baileyi is recombined as Bailiella baileyi'
- 'Conocoryphe (Bailiella) was reranked as Bailiella and belongs to Solenopleuridae'
- 'Corynexochida belongs to Trilobita'
- 'Corynexochidacea belongs to Corynexochida'
- 'Cotalagnostus belongs to Spinagnostiidae'
- 'Dorypyge belongs to Dorypyginae'
- 'Dorypyge richthofeni belongs to Dorypyge' according to Dames 1883
- 'Dorypyge richthofeni belongs to Dorypyge'
- 'Dorypygidae belongs to Corynexochida'
- 'Dorypyginae belongs to Dorypygidae'
- 'Eccaparadoxides was reranked as Paradoxides (Eccaparadoxides) and belongs to Paradoxides'
- 'Ellipsocephalidae belongs to Ellipsocephaloidea'
- 'Ellipsocephalinae belongs to Ellipsocephalidae'
- 'Ellipsocephaloidea belongs to Redlichiina'
- 'Entomostracites belongs to Trilobita'
- 'Entomostracites paradoxissimus belongs to Entomostracites' according to Wahlenberg 1818
- 'Entomostracites paradoxissimus is recombined as Paradoxides paradoxissimus'
- 'Hyolithellidae belongs to Hyolithelminthes'
- 'Hyolithellus belongs to Hyolithellidae'
- 'Hyolithellus sinuosus belongs to Hyolithellus' according to Cobbold 1921
- 'Hyolithellus sinuosus belongs to Hyolithellus'
- 'Hyolithus micans is recombined as Hyolithellus micans'
- 'Lapworthella belongs to Lapworthellidae'
- 'Lapworthella nigra belongs to Lapworthella'
- 'Lapworthellidae belongs to Tommotiida'
- 'Lingula davisii is recombined as Lingulella davisii'
- 'Lingulella belongs to Linguloidea'
- 'Lingulella ferruginea belongs to Lingulella' according to Salter 1867
- 'Lingulella ferruginea belongs to Lingulella'
- 'Lingulida belongs to Lingulata'
- 'Linguloidea belongs to Lingulida'
- 'Micmacca ellipsocephaloides is recombined as Acanthomicmacca ellipsocephaloides'
- 'Micmacca ellipsocephaloides belongs to Micmacca' according to Cobbold 1910
- 'Micmacca walcotti is recombined as Acanthomicmacca walcotti'
- 'Micmacca walcotti belongs to Micmacca' according to Mathew 1899
- 'Ornamentaspis belongs to Ellipsocephalinae'
- 'Paradoxides belongs to Paradoxididae'
- 'Paradoxides pusillus belongs to Paradoxides' according to Barrande 1846
- 'Paradoxides pusillus is recombined as Paradoxides (Eccaparadoxides) pusillus'
- 'Paradoxididae belongs to Paradoxidoidea'
- 'Paradoxidoidea belongs to Redlichiina'
- 'Parasolenopleura belongs to Solenopleuridae'
- 'Ptychoparia rogersi belongs to Ptychoparia' according to Walcott 1884
- 'Ptychoparia rogersi is recombined as Braintreella rogersi'
- 'Ptychopariacea is corrected as Ptychoparioidea and belongs to Ptychopariida'
- 'Ptychopariida belongs to Trilobita'
- 'Ptychopariidae belongs to Ptychoparioidea'
- 'Redlichiida belongs to Trilobita'
- 'Redlichiina belongs to Redlichiida'
- 'Solenopleuracea belongs to Ptychopariida'
- 'Solenopleuridae belongs to Solenopleuracea'
- 'Spinagnostidae [misspelled as Spinagnostiidae] belongs to Agnostina'
- 'Stenotheca cornu belongs to Stenotheca' according to Wiman 1903
- 'Stenotheca cornu is recombined as Lapworthella cornu'
- 'Strictocorniculidae belongs to Pseudoconodontida'
- 'Strictocorniculum belongs to Strictocorniculidae'
- 'Strictocorniculum vanallerum belongs to Strictocorniculum'
- 'Tommotiida was reranked as a order and belongs to Metazoa'