Opinions from M. Liljeroth et al. 2017
- 'Atelelasma belongs to Clitambonitidae'
- 'Atelelasma longisulcum belongs to Atelelasma'
- 'Billingsellida belongs to Strophomenata'
- 'Clitambonitidae belongs to Clitambonitoidea'
- 'Clitambonitidina belongs to Billingsellida'
- 'Clitambonitoidea belongs to Clitambonitidina'
- 'Colaptomena belongs to Rafinesquininae'
- 'Colaptomena auduni belongs to Colaptomena'
- 'Colaptomena pseudopecten belongs to Colaptomena' according to McCoy 1846
- 'Dactylogonia belongs to Furcitellinae'
- 'Dactylogonia costellata belongs to Dactylogonia'
- 'Dalmanellidae belongs to Dalmanelloidea'
- 'Dalmanellidina belongs to Orthida'
- 'Dalmanellinae belongs to Dalmanellidae'
- 'Dalmanelloidea belongs to Dalmanellidina'
- 'Enteletoidea belongs to Dalmanellidina'
- 'Furcitellinae belongs to Strophomenidae'
- 'Glyptambonites belongs to Palaeostrophomeninae'
- 'Glyptorthinae was reranked as the family Glyptorthidae and belongs to Orthoidea'
- 'Glyptorthis belongs to Glyptorthidae'
- 'Grorudia belongs to Grorudiidae'
- 'Grorudiidae belongs to Plectambonitoidea'
- 'Hesperorthidae belongs to Orthoidea'
- 'Hesperorthis belongs to Hesperorthidae'
- 'Hesperorthis leinsterensis belongs to Hesperorthis'
- 'Hibernobonites belongs to Porambonitidae'
- 'Howellites hibernicus belongs to Howellites'
- 'Isophragma belongs to Taphrodontinae'
- 'Isophragma parallelum belongs to Isophragma'
- 'Isophragma ricevillense belongs to Isophragma'
- 'Leptaena sericea is recombined as Sowerbyella (Sowerbyella) sericea'
- 'Leptaena tenuissimestriata belongs to Leptaena' according to McCoy 1852
- 'Leptellina belongs to Leptellininae'
- 'Leptellinidae belongs to Plectambonitoidea'
- 'Leptellininae belongs to Leptellinidae'
- 'Leptelloidea derfelensis is recombined as Leptestiina derfelensis'
- 'Leptestiidae belongs to Plectambonitoidea'
- 'Leptestiina belongs to Leptestiidae'
- 'Linoporellidae belongs to Enteletoidea'
- 'Orthambonites parva is recombined as Paurorthis parva'
- 'Orthida belongs to Rhynchonellata'
- 'Orthidae belongs to Orthoidea'
- 'Orthidina belongs to Orthida'
- 'Orthis confinis is recombined as Valcourea confinis'
- 'Orthis crispa is recombined as Glyptorthis crispa'
- 'Orthis insculpta is recombined as Glyptorthis insculpta'
- 'Orthis lyckholmiensis is recombined as Sulevorthis lyckholmiensis'
- 'Orthis salteri is recombined as Salopia salteri'
- 'Orthis tricenaria is recombined as Hesperorthis tricenaria'
- 'Orthoidea belongs to Orthidina'
- 'Palaeostrophomeninae belongs to Leptellinidae'
- 'Paurorthidae belongs to Dalmanelloidea'
- 'Paurorthis belongs to Paurorthidae'
- 'Pentamerida belongs to Rhynchonellata'
- 'Plaesiomyidae belongs to Orthoidea'
- 'Plaesiomyinae belongs to Plaesiomyidae'
- 'Plaesiomys strophomenoides is recombined as Valcourea strophomenoides'
- 'Platystrophia belongs to Platystrophiidae'
- 'Platystrophia tramorensis belongs to Platystrophia'
- 'Platystrophiidae belongs to Plectorthoidea'
- 'Plectambonitidae belongs to Plectambonitoidea'
- 'Plectambonitoidea belongs to Strophomenida'
- 'Plectorthoidea belongs to Orthidina'
- 'Porambonites filosus is recombined as Hibernobonites filosus'
- 'Porambonitidae belongs to Syntrophioidea'
- 'Productorthidae belongs to Orthoidea'
- 'Productorthinae belongs to Productorthidae'
- 'Productorthis belongs to Productorthinae'
- 'Productus obtusus is recombined as Productorthis obtusus'
- 'Rafinesquinidae belongs to Strophomenoidea'
- 'Rafinesquininae belongs to Rafinesquinidae'
- 'Resserella (Howellites) was reranked as Howellites and belongs to Dalmanellinae'
- 'Rhynchonellata belongs to Rhynchonelliformea'
- 'Rhynchonelliformea belongs to Brachiopoda'
- 'Salopia belongs to Linoporellidae'
- 'Salopia gracilis belongs to Salopia' according to Williams 1955
- 'Salopia salteri gracilis is a subjective synonym of Salopia gracilis'
- 'Sowerbyella belongs to Sowerbyellinae'
- 'Sowerbyella (Sowerbyella) belongs to Sowerbyella'
- 'Sowerbyella antiqua is recombined as Sowerbyella (Sowerbyella) antiqua'
- 'Sowerbyella antiqua is recombined as Sowerbyella (Sowerbyella) antiqua' according to Jones 1928
- 'Sowerbyellidae belongs to Plectambonitoidea'
- 'Sowerbyellinae belongs to Sowerbyellidae'
- 'Strophomenata belongs to Rhynchonelliformea'
- 'Strophomenida belongs to Strophomenata'
- 'Strophomenidae belongs to Strophomenoidea'
- 'Strophomeninae belongs to Strophomenidae'
- 'Strophomenoidea belongs to Strophomenida'
- 'Sulevorthis belongs to Orthidae'
- 'Syntrophiidina belongs to Pentamerida'
- 'Syntrophioidea belongs to Syntrophiidina'
- 'Taphrodontinae belongs to Plectambonitidae'
- 'Tetraphalerella belongs to Strophomeninae'
- 'Valcourea belongs to Plaesiomyinae'