Opinions from F. R. C. Reed 1917
- 'Acrothele medioradiata belongs to Acrothele'
- 'Atrypa hemispherica is recombined as Coelospira hemispherica'
- 'Atrypa hemispherica is recombined as Leptocoelia hemispherica' according to Davidson 1883
- 'Atrypa undata is recombined as Pentamerus (Barrandella) undatus'
- 'Barrandella was reranked as Pentamerus (Barrandella) and belongs to Pentamerus'
- 'Bellimurina tenuicorrugata is recombined as Rafinesquina (Playfairia) deltoidea tenuicorrugata'
- 'Camarella conybearei belongs to Camarella'
- 'Camerella [misspelled as Camarella] belongs to Brachiopoda'
- 'Christiania tenuicincta bilobata belongs to Christiania tenuicincta'
- 'Cliftonia andersoni belongs to Cliftonia'
- 'Conotreta conoidea belongs to Conotreta'
- 'Dalmanella was reranked as Orthis (Dalmanella) and belongs to Orthis'
- 'Dinorthis was reranked as Orthis (Dinorthis) and belongs to Orthis'
- 'Discina balcletchiensis is recombined as Paterula balclatchiensis'
- 'Hebertella was reranked as Orthis (Hebertella) and belongs to Orthis'
- 'Hemipronites carrickensis belongs to Hemipronites'
- 'Hemipronites thomsoni belongs to Hemipronites'
- 'Hemipronites thomsoni inconstans belongs to Hemipronites thomsoni'
- 'Hemithyris nasuta is recombined as Protorhyncha nasuta'
- 'Heterorthis was reranked as Orthis (Heterorthis) and belongs to Orthis'
- 'Leptaena etheridgei is recombined as Plectambonites etheridgei'
- 'Leptaena grayae is recombined as Leptella grayae'
- 'Leptaena llandeiloensis is recombined as Plectambonites llandeiloensis'
- 'Leptaena sericea is recombined as Plectambonites serica'
- 'Leptaena transversalis youngiana is recombined as Plectambonites youngiana'
- 'Leptella pseudoretroflexa belongs to Leptella'
- 'Leptostrophia was reranked as Stropheodonta (Leptostrophia) and belongs to Stropheodonta'
- 'Lingula amabilis belongs to Lingula'
- 'Lingula brevis angustior belongs to Lingula brevis'
- 'Lingula mediostriata belongs to Lingula'
- 'Lingulasma ardmillanense belongs to Lingulasma'
- 'Lingulasma pulcherrimum belongs to Lingulasma'
- 'Lingulasma quaestor belongs to Lingulasma'
- 'Metacamarella belongs to Brachiopoda'
- 'Micromitra (Paterina) davidsoni belongs to Micromitra (Paterina)'
- 'Obolus audax belongs to Obolus'
- 'Obolus maccullochi belongs to Obolus'
- 'Orthis (Dalmanella) federata belongs to Orthis (Dalmanella)'
- 'Orthis (Dalmanella) testudinaria gracilis belongs to Orthis (Dalmanella) testudinaria'
- 'Orthis (Dinorthis) flabellulum carrickensis belongs to Orthis (Dinorthis) flabellulum'
- 'Orthis (Hebertella) bellatrix belongs to Orthis (Hebertella)'
- 'Orthis (Plectorthis) subfissicosta belongs to Orthis (Plectorthis)'
- 'Orthis (Plectorthis) subplicatella belongs to Orthis (Plectorthis)'
- 'Orthis calligramma craigensis belongs to Orthis calligramma'
- 'Orthis confinis is recombined as Orthis (Heterorthis) confinis'
- 'Orthis expansa is recombined as Rafinesquina expansa'
- 'Orthis expansa concentrica is recombined as Rafinesquina concentrica'
- 'Orthis filosa is recombined as Stropheodonta (Leptostrophia) filosa'
- 'Orthis flabellulum is recombined as Orthis (Dinorthis) flabellulum'
- 'Orthis girvanensis is recombined as Orthis (Dalmanella) girvanensis'
- 'Orthis playfairi is recombined as Orthambonites playfairi'
- 'Orthis quinquecostata belongs to Orthis' according to McCoy 1846
- 'Orthis quinquecostata is recombined as Plectambonites quinquecostata'
- 'Orthis rankini is recombined as Orthis (Dalmanella) rankini'
- 'Orthis scotica is recombined as Orthis (Hebertella) scotica'
- 'Orthis testudinaria is recombined as Orthis (Dalmanella) testudinaria'
- 'Parastrophia thraivensis belongs to Parastrophia'
- 'Parastrophia youngi belongs to Parastrophia'
- 'Paterina was reranked as Micromitra (Paterina) and belongs to Micromitra'
- 'Philhedra mullochensis belongs to Philhedra'
- 'Philhedra playfairi belongs to Philhedra'
- 'Plectambonites mullochensis belongs to Plectambonites'
- 'Plectambonites quinquecostata balclatchiensis belongs to Plectambonites quinquecostata'
- 'Plectambonites quinquecostata cylindrica belongs to Plectambonites quinquecostata'
- 'Plectambonites sericea conspicua belongs to Plectambonites sericea'
- 'Plectambonites sericea craigensis belongs to Plectambonites sericea'
- 'Plectambonites sericea semirugata belongs to Plectambonites sericea'
- 'Plectorthis was reranked as Orthis (Plectorthis) and belongs to Orthis'
- 'Plectorthis ardmillanensis belongs to Plectorthis'
- 'Porambonites acutiplicata belongs to Porambonites'
- 'Producta tenuicincta belongs to Producta' according to McCoy 1846
- 'Protozyga carrickensis belongs to Protozyga'
- 'Rafinesquina (Playfairia) belongs to Rafinesquina'
- 'Rafinesquina (Playfairia) deltoidea multicorrugata belongs to Rafinesquina (Playfairia) deltoidea'
- 'Rafinesquina brumalis belongs to Rafinesquina'
- 'Rafinesquina expansa macallumi belongs to Rafinesquina expansa'
- 'Rafinesquina subarachnoidea belongs to Rafinesquina'
- 'Rhynchonella balclatchiensis is recombined as Camerella balclatchiensis'
- 'Rhynchonella cuneatella is recombined as Camarella cuneatella'
- 'Rhynchonella lapworthi belongs to Rhynchonella'
- 'Rhynchonella peachi is recombined as Camerella peachi'
- 'Rhynchonella scotica is recombined as Parastrophia scotica'
- 'Rhynchonella subborealis is recombined as Orthorhynchula subborealis'
- 'Rhynchonella thomsoni belongs to Rhynchonella'
- 'Rhynchotreta ardmillanensis belongs to Rhynchotreta'
- 'Scenidium lewisi craigensis belongs to Scenidium lewisi'
- 'Schuchertella pertinax belongs to Schuchertella'
- 'Skenidium is corrected as Scenidium and belongs to Brachiopoda'
- 'Skenidium lewisi belongs to Skenidium' according to Davidson 1883
- 'Skenidium lewisi is recombined as Scenidium lewisi'
- 'Stricklandinia balclatchiensis is recombined as Metacamarella balclatchiensis'
- 'Stropheodonta (Leptostrophia) mullochensis is recombined as Stropheodonta (Leptostrophia) filosa mullochensis'
- 'Stropheodonta (Leptostrophia) subfilosa belongs to Stropheodonta (Leptostrophia)'
- 'Stropheodonta donax belongs to Stropheodonta'
- 'Stropheodonta jamesoni belongs to Stropheodonta'
- 'Stropheodonta nicholsoni belongs to Stropheodonta'
- 'Strophomena antiquata woodlandensis belongs to Strophomena antiquata'
- 'Strophomena deficiens belongs to Strophomena'
- 'Strophomena deltoidea is recombined as Rafinesquina (Playfairia) deltoidea'
- 'Strophomena imbrex semiglobosina is recombined as Rafinesquina (Playfairia) semiglobosina'
- 'Trematis melliflua belongs to Trematis'
- 'Triplecia craigensis belongs to Triplecia'
- 'Triplesia grayiae is recombined as Cliftonia grayiae'
- 'Zygospira orbis belongs to Zygospira'