Opinions from F. R. Schram 1979
- 'Acanthocaris is replaced by Sairocaris'
- 'Acanthocaris attenuatus belongs to Acanthocaris' according to Peach 1883
- 'Acanthocaris attenuatus is a subjective synonym of Sairocaris elongata'
- 'Aeschronectida belongs to Hoplocarida'
- 'Anthracocarididae belongs to Monokonophora'
- 'Anthracocaris belongs to Anthracocarididae'
- 'Anthracophausia belongs to Anthracophausiidae'
- 'Anthracophausia dunsiana belongs to Anthracophausia' according to Peach 1908
- 'Anthracophausia dunsiana belongs to Anthracophausia'
- 'Anthracophausiidae belongs to Eocaridacea'
- 'Anthrapalaemon is a subjective synonym of Pygocephalus'
- 'Anthrapalaemon was reranked as Pygocephalus (Anthrapalaemon) and belongs to Pygocephalus' according to Woodward 1907
- 'Anthrapalaemon etheridgii is recombined as Pseudotealliocaris etheridgei'
- 'Anthrapalaemon formosus is a subjective synonym of Pseudotealliocaris etheridgei'
- 'Anthrapalaemon glaber is a subjective synonym of Pygocephalus cooperi'
- 'Anthrapalaemon grossarti belongs to Anthrapalaemon' according to Salter 1861
- 'Anthrapalaemon grossarti is a subjective synonym of Pygocephalus dubius'
- 'Anthrapalaemon grossarti holti belongs to Anthrapalaemon grossarti' according to Woodward 1911
- 'Anthrapalaemon grossarti holti is a subjective synonym of Pygocephalus cooperi'
- 'Anthrapalaemon macconochiei belongs to Anthrapalaemon' according to Etheridge 1879
- 'Anthrapalaemon macconochiei is recombined as Pseudogalathea macconochiei'
- 'Anthrapalaemon ornatissimus belongs to Anthrapalaemon' according to Peach 1882
- 'Anthrapalaemon ornatissimus is a subjective synonym of Pseudogalathea macconochiei'
- 'Anthrapalaemon parki belongs to Anthrapalaemon' according to Peach 1882
- 'Anthrapalaemon parki is recombined as Perimecturus parki'
- 'Anthrapalaemon serratus belongs to Anthrapalaemon' according to Woodward 1905
- 'Anthrapalaemon serratus is a subjective synonym of Pygocephalus cooperi'
- 'Anthrapalaemon traquairi belongs to Anthrapalaemon' according to Peach 1882
- 'Anthrapalaemon traquairi is recombined as Belotelson traquairi'
- 'Anthrapalaemon woodwardi is recombined as Tealliocaris woodwardi'
- 'Apus dubius is recombined as Pygocephalus dubius'
- 'Aratidecthes belongs to Aratidecthidae'
- 'Aratidecthidae belongs to Aeschronectida'
- 'Archaeostraca belongs to Phyllocarida'
- 'Bairdops belongs to Perimecturidae'
- 'Belotelson belongs to Belotelsonidae'
- 'Belotelsonidae belongs to Eocaridacea'
- 'Ceratiocaris elongatus belongs to Ceratiocaris' according to Peach 1882
- 'Ceratiocaris elongatus is recombined as Sairocaris elongata'
- 'Ceratiocaris scorpioides belongs to Ceratiocaris' according to Peach 1882
- 'Ceratiocaris scorpioides is a subjective synonym of Sairocaris elongata'
- 'Crangopsis belongs to Aratidecthidae'
- 'Crangopsis couttsi belongs to Crangopsis' according to Peach 1908
- 'Crangopsis couttsi is a subjective synonym of Anthracophausia dunsiana'
- 'Crangopsis hastata belongs to Crangopsis' according to Peach 1908
- 'Crangopsis hastata is a subjective synonym of Anthracophausia dunsiana'
- 'Crangopsis magna belongs to Crangopsis' according to Peach 1908
- 'Crangopsis magna is a subjective synonym of Anthracophausia dunsiana'
- 'Crangopsis minuta belongs to Crangopsis' according to Peach 1908
- 'Crangopsis minuta is a subjective synonym of Joanellia elegans'
- 'Crangopsis rhodesi belongs to Crangopsis' according to Peach 1908
- 'Crangopsis rhodesi is a subjective synonym of Anthracophausia dunsiana'
- 'Crangopsis robusta belongs to Crangopsis' according to Peach 1908
- 'Crangopsis robusta is a subjective synonym of Joanellia elegans'
- 'Diplostylus is a subjective synonym of Pygocephalus'
- 'Dithyrocaris belongs to Rhinocarididae'
- 'Eocarida was reranked as a superorder and belongs to Eumalacostraca'
- 'Eocaridacea belongs to Eocarida'
- 'Eumalacostraca belongs to Malacostraca'
- 'Hoplocarida belongs to Malacostraca'
- 'Hoplostraca belongs to Phyllocarida'
- 'Joanellia belongs to Eumalacostraca'
- 'Kallidecthes belongs to Kallidecthidae'
- 'Kallidecthes eagari belongs to Kallidecthes'
- 'Kallidecthidae belongs to Aeschronectida'
- 'Minicaris belongs to Palaeocarididae'
- 'Minicaris brandi belongs to Minicaris'
- 'Monokonophora belongs to Tanaidacea'
- 'Mysidacea belongs to Peracarida'
- 'Necroscilla is a subjective synonym of Pygocephalus'
- 'Necroscilla wilsoni is a subjective synonym of Pygocephalus cooperi'
- 'Palaemysis is a subjective synonym of Anthracophausia'
- 'Palaemysis couttsi belongs to Palaemysis' according to Peach 1908
- 'Palaemysis couttsi is a subjective synonym of Anthracophausia dunsiana'
- 'Palaemysis dunlopi belongs to Palaemysis' according to Peach 1908
- 'Palaemysis dunlopi is a subjective synonym of Anthracophausia dunsiana'
- 'Palaemysis tenuis belongs to Palaemysis' according to Peach 1908
- 'Palaemysis tenuis is a subjective synonym of Anthracophausia dunsiana'
- 'Palaeocarabus is a subjective synonym of Pygocephalus'
- 'Palaeocarabus russelianus belongs to Palaeocarabus' according to Salter 1863
- 'Palaeocarabus russelianus is a subjective synonym of Pygocephalus dubius'
- 'Palaeocaridacea belongs to Syncarida'
- 'Palaeocaridae is corrected as Palaeocarididae and belongs to Palaeocaridacea'
- 'Palaeocaris belongs to Palaeocarididae'
- 'Palaeocaris lansboroughi belongs to Palaeocaris' according to Peach 1908
- 'Palaeocaris lansboroughi is a subjective synonym of Praeanaspides praecursor'
- 'Palaeocaris retractata belongs to Palaeocaris'
- 'Palaeocaris scotica is recombined as Anthracocaris scotica'
- 'Palaeocrangon is replaced by Crangopsis'
- 'Palaeocrangon elegans belongs to Palaeocrangon' according to Peach 1883
- 'Palaeocrangon elegans is recombined as Joanellia elegans'
- 'Palaeocrangon eskdalensis belongs to Palaeocrangon' according to Peach 1882
- 'Palaeocrangon eskdalensis is recombined as Crangopsis eskdalensis'
- 'Palaeostomatopoda was reranked as a suborder and belongs to Hoplocarida'
- 'Peracarida belongs to Eumalacostraca'
- 'Perimecturidae belongs to Palaeostomatopodea'
- 'Perimecturus belongs to Perimecturidae'
- 'Perimecturus communis is a subjective synonym of Perimecturus parki'
- 'Perimecturus communis belongs to Perimecturus' according to Peach 1908
- 'Perimecturus elegans belongs to Perimecturus' according to Peach 1908
- 'Perimecturus elegans is recombined as Bairdops elegans'
- 'Perimecturus ensifer belongs to Perimecturus' according to Peach 1908
- 'Perimecturus ensifer is a subjective synonym of Bairdops elegans'
- 'Perimecturus pattoni belongs to Perimecturus' according to Peach 1908
- 'Perimecturus pattoni is a nomen dubium'
- 'Perimecturus stocki belongs to Perimecturus' according to Peach 1908
- 'Perimecturus stocki is a subjective synonym of Perimecturus parki'
- 'Phyllocarida was reranked as a subclass and belongs to Malacostraca'
- 'Pleurocarididae belongs to Palaeocaridacea'
- 'Pleurocaris belongs to Pleurocarididae'
- 'Pleurocaris annulatus belongs to Pleurocaris'
- 'Praeanaspides belongs to Squillitidae'
- 'Praeanaspides praecursor belongs to Praeanaspides' according to Woodward 1908
- 'Praeanaspides praecursor belongs to Praeanaspides'
- 'Pseudogalathea belongs to Tealliocarididae'
- 'Pseudogalathea rotunda belongs to Pseudogalathea' according to Peach 1883
- 'Pseudogalathea rotunda is a subjective synonym of Pseudogalathea macconochiei'
- 'Pseudotealliocaris belongs to Pygocephalidae'
- 'Pygocephalidae belongs to Pygocephalomorpha'
- 'Pygocephalomorpha belongs to Mysidacea'
- 'Pygocephalus belongs to Pygocephalidae'
- 'Pygocephalus (Anthrapalaemon) parkeri belongs to Pygocephalus (Anthrapalaemon)' according to Woodward 1907
- 'Pygocephalus (Anthrapalaemon) parkeri is a subjective synonym of Pygocephalus cooperi'
- 'Pygocephalus cooperi belongs to Pygocephalus'
- 'Pygocephalus huxleyi belongs to Pygocephalus' according to Woodward 1867
- 'Pygocephalus huxleyi is a subjective synonym of Crangopsis socialis'
- 'Rhinocarididae belongs to Archaeostraca'
- 'Sairocarididae belongs to Hoplostraca'
- 'Sairocaris belongs to Sairocarididae'
- 'Squillitidae belongs to Palaeocaridacea'
- 'Syncarida belongs to Eumalacostraca'
- 'Tanaidacea belongs to Peracarida'
- 'Tealliocarididae belongs to Pygocephalomorpha'
- 'Tealliocaris belongs to Tealliocarididae'
- 'Tealliocaris loudonensis is a subjective synonym of Tealliocaris woodwardi'
- 'Pseudotealliocaris robusta is a subjective synonym of Pseudotealliocaris etheridgei'
- 'Tealliocaris tarrasiana is a subjective synonym of Tealliocaris woodwardi'
- 'Uronectes socialis is recombined as Crangopsis socialis'
- 'Uronectes socialis belongs to Uronectes' according to Salter 1861
- 'Waterstonella belongs to Waterstonellidae'
- 'Waterstonella grantonensis belongs to Waterstonella'
- 'Waterstonellidae belongs to Eocaridacea'