Opinions from H. Muir-Wood and G. A. Cooper 1960
- 'Acanthatia belongs to Chonopectinae'
- 'Agramatia belongs to Productellinae'
- 'Anomia lawrenciana is recombined as Richthofenia lawrenciana'
- 'Aulosteges belongs to Aulosteginae'
- 'Aulosteges beedei is recombined as Echinosteges beedei'
- 'Aulosteges dalhousii is corrected as Aulosteges dalhousi and belongs to Aulosteges'
- 'Aulosteges gigantiformis is recombined as Wyatkina gigantiformis'
- 'Aulosteges gigas belongs to Aulosteges' according to Netschajew 1894
- 'Aulosteges gigas is recombined as Wyatkina gigas'
- 'Aulosteges guadalupensis is recombined as Rhamnaria guadalupensis'
- 'Aulosteges hispidus is recombined as Sphenosteges hispidus'
- 'Aulosteges ingens is recombined as Wyatkina ingens'
- 'Aulosteges karpinskyi belongs to Aulosteges' according to Gemmellaro 1892
- 'Aulosteges karpinskyi is recombined as Spirisosium karpinskyi'
- 'Aulosteges magnicostatus is recombined as Chonosteges magnicostatus'
- 'Aulosteges medlicottianus is recombined as Edriosteges medlicottianus'
- 'Aulosteges spinosus belongs to Aulosteges'
- 'Aulosteges tibeticus is recombined as Strophalosiina tibetica'
- 'Aulosteges tuberculatus is recombined as Echinosteges tuberculatus'
- 'Aulosteges variabilis is a subjective synonym of Aulosteges wangenheimi'
- 'Aulosteges wolfcampensis is recombined as Limbella wolfcampensis'
- 'Aulosteginae belongs to Aulostegidae'
- 'Bispinoproductus is a subjective synonym of Leioproductus'
- 'Bispinoproductus varispinosus is recombined as Leioproductus varispinosus'
- 'Cardinocrania is a subjective synonym of Leptodus'
- 'Chonetes fischeri belongs to Chonetes' according to Norwood and Pratten 1855
- 'Chonetes fischeri is recombined as Chonopectus fischeri'
- 'Chonetes muricatus belongs to Chonetes' according to Hall 1867
- 'Chonetes muricatus is recombined as Chonopectus muricatus'
- 'Chonetipustula belongs to Chonopectinae'
- 'Chonopectinae belongs to Productellidae'
- 'Chonopectus belongs to Chonopectinae'
- 'Chonopectus elcicus belongs to Chonopectus' according to Nalivkin 1934
- 'Chonopectus elcicus belongs to Chonopectus'
- 'Chonopectus rossicus belongs to Chonopectus' according to Nalivkin 1934
- 'Chonopectus rossicus belongs to Chonopectus'
- 'Chonosteges belongs to Chonosteginae'
- 'Chonosteginae belongs to Aulostegidae'
- 'Coscinarina belongs to Richthofeniinae'
- 'Costellaria belongs to Costellariinae'
- 'Costellaria costellata belongs to Costellaria'
- 'Costellariinae belongs to Aulostegidae'
- 'Craspedalosia belongs to Heteralosiinae'
- 'Crossalosia belongs to Strophalosiinae'
- 'Ctenalosia belongs to Ctenalosiinae'
- 'Ctenalosia fixata belongs to Ctenalosia'
- 'Ctenalosiinae belongs to Strophalosiidae'
- 'Dasyalosia belongs to Strophalosiinae'
- 'Derbyella belongs to Scacchinellidae'
- 'Derbyella bureri belongs to Derbyella'
- 'Derbyella minor belongs to Derbyella'
- 'Derbyella subrotunda belongs to Derbyella'
- 'Devonalosia belongs to Heteralosiinae'
- 'Devonalosia wrightorum belongs to Devonalosia'
- 'Echinosteges belongs to Echinosteginae'
- 'Echinosteginae belongs to Aulostegidae'
- 'Edriosteges belongs to Echinosteginae'
- 'Edriosteges multispinosus belongs to Edriosteges'
- 'Eostrophalosia belongs to Strophalosiinae'
- 'Galeatella galeata belongs to Galeatella'
- 'Gemmellaroia belongs to Gemmellaroiinae'
- 'Gemmellaroiella is a subjective synonym of Gemmellaroia'
- 'Gemmellaroia (Gemmellaroiella) belongs to Gemmellaroia' according to Mabuti 1937
- 'Gemmellaroia (Gemmellaroiella) ozawai belongs to Gemmellaroia (Gemmellaroiella)' according to Mabuti 1937
- 'Gemmellaroia (Gemmellaroiella) ozawai is recombined as Gemmellaroia ozawai'
- 'Gemmellaroiidae was reranked as the subfamily Gemmellaroiinae and belongs to Richthofeniidae'
- 'Helaspis belongs to Productellinae'
- 'Heteralosia belongs to Heteralosiinae'
- 'Heteralosia mexicana belongs to Heteralosia'
- 'Heteralosia nupera is recombined as Acanthatia nupera'
- 'Heteralosia slocomi belongs to Heteralosia' according to King 1938
- 'Heteralosia slocomi belongs to Heteralosia'
- 'Heteralosiinae belongs to Strophalosiidae'
- 'Institella belongs to Institellinae'
- 'Institellinae belongs to Aulostegidae'
- 'Krotovia praecursor is recombined as Sentosia praecursor'
- 'Leioproductus aplingtonensis belongs to Leioproductus' according to Stainbrook 1950
- 'Leioproductus aplingtonensis is recombined as Productella aplingtonensis'
- 'Leioproductus sheffieldensis is recombined as Productella sheffieldensis'
- 'Leioproductus sheffieldensis belongs to Leioproductus' according to Stainbrook 1950
- 'Leptaena fragaria belongs to Leptaena' according to Sowerby 1840
- 'Leptaena fragaria is recombined as Productella fragaria'
- 'Leptaena sinuata belongs to Leptaena' according to de Koninck 1851
- 'Leptaena sinuata is recombined as Sinuatella sinuata'
- 'Leptalosia belongs to Heteralosiinae'
- 'Lialosia belongs to Heteralosiinae'
- 'Limbella belongs to Echinosteginae'
- 'Loczyella belongs to Loczyellinae'
- 'Marginifera hystricula is recombined as Hystriculina hystricula'
- 'Marginifera reticulata is recombined as Spyridiophora reticulata'
- 'Megarhynchus marii is recombined as Gemmellaroia marii'
- 'Megarhynchus ornatum is recombined as Gemmellaroia ornata'
- 'Oligorachis oligorachis belongs to Oligorachis' according to Imbrie 1959
- 'Oligorachis oligorachis belongs to Oligorachis'
- 'Oligorhachis is corrected as Oligorachis and belongs to Heteralosiinae'
- 'Orbinaria belongs to Productellinae'
- 'Orthis excavata is recombined as Orthothrix excavata'
- 'Orthis wangenheimi is recombined as Aulosteges wangenheimi'
- 'Orthothrix belongs to Strophalosiinae'
- 'Orthothrix lamellosus is recombined as Craspedalosia lamellosa'
- 'Planispina belongs to Teguliferinidae'
- 'Planispina conida belongs to Planispina'
- 'Praewaagenoconcha belongs to Productellinae'
- 'Productella belongs to Productellinae'
- 'Productella (Hamlingella) was reranked as Hamlingella and belongs to Chonopectinae'
- 'Productella (Hamlingella) belongs to Productella' according to Reed 1943
- 'Productella (Hamlingella) capillaris belongs to Productella (Hamlingella)' according to Reed 1943
- 'Productella (Hamlingella) capillaris is recombined as Hamlingella capillaris'
- 'Productella alifera belongs to Productella' according to Girty 1899
- 'Productella alifera is recombined as Quadratia alifera'
- 'Productella belanskii belongs to Productella' according to Stainbrook 1943
- 'Productella belanskii belongs to Productella'
- 'Productella coloradensis plicatus is recombined as Leioproductus plicatus'
- 'Productella dutertrii belongs to Productella' according to Rigaux 1908
- 'Productella dutertrii belongs to Productella'
- 'Productella fragarina belongs to Productella' according to Whidborne 1893
- 'Productella fragarina belongs to Productella'
- 'Productella goergesi belongs to Productella' according to Paeckelmann 1931
- 'Productella goergesi is recombined as Hamlingella goergesi'
- 'Productella harberti belongs to Productella' according to Stainbrook 1943
- 'Productella harberti belongs to Productella'
- 'Productella hemisperica belongs to Productella' according to Tien 1938
- 'Productella hemisperica is recombined as Sinoproductella hemisperica'
- 'Productella laminatus is recombined as Laminatia laminata'
- 'Productella patula belongs to Productella' according to Girty 1915
- 'Productella patula is recombined as Quadratia patula'
- 'Productella rugatula belongs to Productella' according to Stainbrook 1945
- 'Productella rugatula belongs to Productella'
- 'Productella spinulicosta belongs to Productella' according to Hall 1857
- 'Productella spinulicosta is recombined as Spinulicosta spinulicosta'
- 'Productella thomasi belongs to Productella' according to Stainbrook 1945
- 'Productella thomasi belongs to Productella'
- 'Productellana belongs to Productellinae'
- 'Productellana bifaria belongs to Productellana' according to Stainbrook 1950
- 'Productellana bifaria belongs to Productellana'
- 'Productellinae belongs to Productellidae'
- 'Productidina is corrected as Productoidea and belongs to Strophomenida'
- 'Productus (Branxtonia) belongs to Productus' according to Booker 1929
- 'Branxtonia is a subjective synonym of Wyndhamia'
- 'Productus (Branxtonia) typica is a subjective synonym of Wyndhamia dalwoodensis'
- 'Productus (Sinuatella) subsinuatus is recombined as Institella subsinuata'
- 'Productus (Taeniothaerus) was reranked as Taeniothaerus and belongs to Aulosteginae'
- 'Productus (Taeniothaerus) brenensis is recombined as Taeniothaerus brenensis'
- 'Productus (Taeniothaerus) cotteri is recombined as Taeniothaerus cotteri'
- 'Productus (Taeniothaerus) notabilis is recombined as Taeniothaerus notabilis'
- 'Productus (Taeniothaerus) permixtus is recombined as Taeniothaerus permixtus'
- 'Productus (Urushtenia) permica is recombined as Urushtenia permica'
- 'Productus agramati belongs to Productus' according to Nalivkin 1934
- 'Productus agramati is recombined as Agramatia agramati'
- 'Productus arctirostratus belongs to Productus' according to Hall 1857
- 'Productus arctirostratus is recombined as Spinulicosta arctirostrata'
- 'Productus buchianus belongs to Productus' according to de Koninck 1847
- 'Productus buchianus is recombined as Crossalosia buchiana'
- 'Productus callawayensis belongs to Productus' according to Swallow 1860
- 'Productus callawayensis is recombined as Eostrophalosia callawayensis'
- 'Productus carringtonianus belongs to Productus' according to Davidson 1863
- 'Productus carringtonianus is recombined as Chonetipustula carringtoniana'
- 'Productus clarkei is recombined as Lialosia clarkei'
- 'Productus concentricus belongs to Productus' according to Sarres 1857
- 'Productus concentricus is recombined as Chonetipustula concentrica'
- 'Productus costatula belongs to Productus' according to Hall 1867
- 'Productus costatula is recombined as Spinulicosta costatula'
- 'Productus cylindricus is recombined as Waagenoconcha cylindricus'
- 'Productus griffithianus belongs to Productus' according to de Koninck 1847
- 'Productus griffithianus is recombined as Sinuatella griffithiana'
- 'Productus hirsutiforme is recombined as Quadratia hirsutiformis'
- 'Productus hystriculus belongs to Productus' according to Hall 1867
- 'Productus hystriculus is recombined as Strophoproductus hystriculus'
- 'Productus lasallensis is recombined as Retaria lasallensis'
- 'Productus leonardensis is recombined as Institella leonardensis'
- 'Productus manchuricus is recombined as Institella manchurica'
- 'Productus navicella belongs to Productus' according to Hall 1857
- 'Productus navicella is recombined as Spinulicosta navicella'
- 'Productus nystianus is recombined as Rugicostella nystiana'
- 'Productus nystianus is recombined as Rugicostella nystiana'
- 'Productus orelianus belongs to Productus' according to Moller 1871
- 'Productus orelianus is recombined as Praewaagenoconcha oreliana'
- 'Productus pileolus is recombined as Xenosteges pileolus'
- 'Productus planohemisphaerium is recombined as Globiella planohemisphaerium'
- 'Productus plicatus belongs to Productus' according to Sarres 1857
- 'Productus plicatus is recombined as Chonetipustula plicata'
- 'Productus pseudomedusa is recombined as Urushtenia pseudomedusa'
- 'Productus pyxidatus is recombined as Productella pyxidata' according to Hall 1858
- 'Productus pyxidatus is recombined as Orbinaria pyxidata'
- 'Productus spiralis is recombined as Costiferina spiralis'
- 'Productus splendens is recombined as Kozlowskia splendens'
- 'Productus subaculeatus is recombined as Productella subaculeata'
- 'Productus subaculeatus belongs to Productus' according to Murchison 1840
- 'Productus subcostatus is recombined as Costiferina subcostata'
- 'Productus subquadratus is recombined as Taeniothaerus subquadratus'
- 'Productus turcicus is recombined as Chonetipustula turcica'
- 'Productus undatus is recombined as Fluctuaria undata'
- 'Productus vishnu is recombined as Costiferina vishnu'
- 'Productus wabashensis is recombined as Hystriculina wabashensis'
- 'Prorichthofenia belongs to Prorichthofeniinae'
- 'Prorichthofenia teguliferoides is recombined as Planispina teguliferoides'
- 'Prorichthofeniinae belongs to Richthofeniidae'
- 'Pustula praecedens is recombined as Sentosia praecedens'
- 'Quadratia belongs to Chonopectinae'
- 'Rhamnaria belongs to Rhamnariinae'
- 'Rhamnaria kingorum belongs to Rhamnaria'
- 'Rhamnariinae belongs to Aulostegidae'
- 'Richthofenia belongs to Richthofeniinae'
- 'Richthofenia caucasica belongs to Richthofenia'
- 'Richthofenia communis is recombined as Coscinarina communis'
- 'Richthofenia sicula is recombined as Coscinarina sicula'
- 'Richthofenia sinensis belongs to Richthofenia'
- 'Richthofeniinae belongs to Richthofeniidae'
- 'Scacchinella belongs to Scacchinellidae'
- 'Scacchinella americana belongs to Scacchinella'
- 'Scacchinella depressa belongs to Scacchinella'
- 'Scacchinella gigantea belongs to Scacchinella'
- 'Scacchinella variabilis belongs to Scacchinella'
- 'Scacchinella yakowlewi belongs to Scacchinella'
- 'Sinoproductella belongs to Productellinae'
- 'Sinuatella belongs to Sinuatellidae'
- 'Sphenalosia belongs to Heteralosiinae'
- 'Sphenalosia smedleyi belongs to Sphenalosia'
- 'Sphenosteges belongs to Echinosteginae'
- 'Spinulicosta belongs to Productellinae'
- 'Spirifer (Spirisosium) was reranked as Spirisosium and belongs to Echinosteginae'
- 'Spirisosium primarium is a subjective synonym of Spirisosium karpinskyi'
- 'Spondylus goldfussii is recombined as Dasyalosia goldfussi'
- 'Spyridiophora belongs to Spyridiophoridae'
- 'Spyridiophora distincta belongs to Spyridiophora'
- 'Strophalosia belongs to Strophalosiinae'
- 'Strophalosia (Bilotina) was reranked as Bilotina and belongs to Rhamnariinae'
- 'Strophalosia (Bilotina) subtecta is recombined as Bilotina subtecta'
- 'Strophalosia (Girlasia) was reranked as Girlasia and belongs to Echinosteginae'
- 'Strophalosia (Girlasia) belongs to Strophalosia' according to de Gregorio 1930
- 'Strophalosia (Girlasia) superelegans is recombined as Girlasia superelegans'
- 'Strophalosia (Strophalosiina) caucasica is recombined as Strophalosiina caucasica'
- 'Strophalosia (Strophalosiina) multicostata is recombined as Strophalosiina multicostata'
- 'Strophalosia beecheri is recombined as Heteralosia beecheri'
- 'Strophalosia beecheri belongs to Strophalosia' according to Rowley 1893
- 'Strophalosia cornelliana belongs to Strophalosia' according to Derby 1874
- 'Strophalosia cornelliana is recombined as Heteralosia cornelliana'
- 'Strophalosia cymbula belongs to Strophalosia' according to Hall and Clarke 1893
- 'Strophalosia cymbula is recombined as Heteralosia cymbula'
- 'Strophalosia fortispinosa belongs to Strophalosia' according to Hinchey and Ray 1938
- 'Strophalosia fortispinosa is recombined as Heteralosia fortispinosa'
- 'Strophalosia fragilis is recombined as Aulosteges fragilis'
- 'Strophalosia gerardi belongs to Strophalosia'
- 'Strophalosia hystricula is recombined as Heteralosia hystricula'
- 'Strophalosia independensis belongs to Strophalosia' according to Stainbrook 1945
- 'Strophalosia independensis is recombined as Eostrophalosia independensis'
- 'Strophalosia jukesii is recombined as Wyndhamia jukesi'
- 'Strophalosia kimberleyensis is recombined as Lialosia kimberleyensis'
- 'Strophalosia littletonensis belongs to Strophalosia' according to Stainbrook 1943
- 'Strophalosia littletonensis is recombined as Eostrophalosia littletonensis'
- 'Strophalosia orbiculata belongs to Strophalosia' according to Hinchley and Ray 1935
- 'Strophalosia orbiculata is recombined as Heteralosia orbiculata'
- 'Strophalosia poyangensis is recombined as Edriosteges poyangensis'
- 'Strophalosia pulchella is recombined as Craspedalosia pulchella'
- 'Strophalosia radicans belongs to Strophalosia' according to Winchell 1863
- 'Strophalosia radicans is recombined as Devonalosia radicans'
- 'Strophalosia rockfordensis belongs to Strophalosia' according to Hall and Clarke 1893
- 'Strophalosia rockfordensis is recombined as Eostrophalosia rockfordensis'
- 'Strophalosia scintilla belongs to Strophalosia' according to Beecher 1890
- 'Strophalosia scintilla is recombined as Leptalosia scintilla'
- 'Strophalosia subelliptica belongs to Strophalosia' according to Hinchey and Ray 1935
- 'Strophalosia subelliptica is recombined as Heteralosia subelliptica'
- 'Strophalosia tholus is recombined as Wyatkina tholus'
- 'Strophalosia tholus belongs to Strophalosia' according to Keyserling 1854
- 'Strophalosiacea belongs to Productoidea'
- 'Strophalosiella belongs to Echinosteginae'
- 'Strophalosiella coraeformis belongs to Strophalosiella' according to Licharew 1935
- 'Strophalosiella coraeformis belongs to Strophalosiella'
- 'Strophalosiidae belongs to Strophalosiacea'
- 'Strophalosiina belongs to Chonosteginae'
- 'Strophalosiinae belongs to Strophalosiidae'
- 'Strophoproductus belongs to Productellinae'
- 'Taeniothaerus cracowensis belongs to Taeniothaerus'
- 'Tectarea belongs to Gemmellaroiinae'
- 'Tectarea robinsoni belongs to Tectarea'
- 'Tegulifera is replaced by Teguliferina'
- 'Tegulifera armata belongs to Tegulifera' according to Girty 1908
- 'Tegulifera armata is recombined as Planispina armata'
- 'Tegulifera chabartensis belongs to Tegulifera' according to Yanischevsky 1910
- 'Tegulifera chabartensis is recombined as Teguliferina chabartensis'
- 'Tegulifera deformis is recombined as Teguliferina deformis'
- 'Tegulifera geniculata belongs to Tegulifera' according to Ozaki 1931
- 'Tegulifera geniculata is recombined as Teguliferina geniculata'
- 'Tegulifera kansasensis belongs to Tegulifera' according to Girty 1908
- 'Tegulifera kansasensis is recombined as Planispina kansasensis'
- 'Tegulifera miatschkowensis belongs to Tegulifera' according to Ivanov 1935
- 'Tegulifera miatschkowensis is recombined as Teguliferina miatschkowensis'
- 'Tegulifera rossica belongs to Tegulifera' according to Ivanov 1935
- 'Tegulifera rossica is recombined as Teguliferina rossica'
- 'Teguliferina belongs to Teguliferinidae'
- 'Teguliferina boesei is recombined as Planispina boesei'
- 'Truncalosia belongs to Heteralosiinae'
- 'Truncalosia gibbosa belongs to Truncalosia' according to Imbrie 1959
- 'Truncalosia gibbosa belongs to Truncalosia'
- 'Tschernyschewia belongs to Tschernyschewiidae'
- 'Tschernyschewia involuta belongs to Tschernyschewia' according to Simic 1933
- 'Tschernyschewia involuta belongs to Tschernyschewia'
- 'Tschernyschewia regularis belongs to Tschernyschewia' according to Simic 1933
- 'Tschernyschewia regularis belongs to Tschernyschewia'
- 'Tschernyschewia sinensis belongs to Tschernyschewia'
- 'Tschernyschewia sinuissima belongs to Tschernyschewia' according to Simic 1933
- 'Tschernyschewia sinuissima belongs to Tschernyschewia'
- 'Tschernyschewia typica belongs to Tschernyschewia'
- 'Tschernyschewia yakowlewi belongs to Tschernyschewia' according to Stoyanow 1910
- 'Tschernyschewia yakowlewi belongs to Tschernyschewia'
- 'Urushtenia belongs to Chonosteginae'
- 'Wyatkina belongs to Aulosteginae'
- 'Wyndhamia belongs to Heteralosiinae'
- 'Wyndhamia dalwoodensis belongs to Wyndhamia'
- 'Wyndhamia valida belongs to Wyndhamia'
- 'Xenosteges belongs to Echinosteginae'
- 'Xenosteges adherens belongs to Xenosteges'