Opinions from E. O. Ulrich and W. H. Scofield 1897
- 'Aclisina nana is recombined as Solenospira nana'
- 'Archinacella cingulata belongs to Archinacella'
- 'Archinacella depressa belongs to Archinacella'
- 'Archinacella powersi belongs to Archinacella'
- 'Archinacella richmondensis belongs to Archinacella'
- 'Archinacella rotunda belongs to Archinacella'
- 'Archinacella rugatina belongs to Archinacella'
- 'Archinacella semicarinata belongs to Archinacella'
- 'Archinacella simulatrix belongs to Archinacella'
- 'Archinacella subcarinata belongs to Archinacella'
- 'Archinacella subrotunda belongs to Archinacella'
- 'Bellerophon belongs to Bellerophontidae'
- 'Bellerophon (Bucania) exigus is recombined as Bucania exigua'
- 'Bellerophon (Bucania) platystoma is recombined as Bellerophon platystoma'
- 'Bellerophon acutilira is recombined as Protowarthia acutilira'
- 'Bellerophon acutus is recombined as Oxydiscus acutus'
- 'Bellerophon antiquata is recombined as Owenella antiquata'
- 'Bellerophon argo is recombined as Oxydiscus argo'
- 'Bellerophon bilineatus belongs to Bellerophon'
- 'Bellerophon bilobatus is recombined as Protowarthia bilobata'
- 'Bellerophon canadensis is recombined as Salpingostoma canadensis'
- 'Bellerophon cancellatus is recombined as Protowarthia cancellata'
- 'Bellerophon capax belongs to Bellerophon'
- 'Bellerophon carbonarius is recombined as Euphemus carbonarius'
- 'Bellerophon cassinensis is recombined as Protowarthia cassinensis'
- 'Bellerophon clausus belongs to Bellerophon'
- 'Bellerophon contortus is recombined as Megalomphala contorta'
- 'Bellerophon curvilineatus is recombined as Oxydiscus curvilineatus'
- 'Bellerophon disculus is recombined as Oxydiscus disculus'
- 'Bellerophon gemma is recombined as Bucanopsis gemma'
- 'Bellerophon kansasensis is recombined as Bucanopsis kansasensis'
- 'Bellerophon latevittatus is recombined as Bucanopsis latevittatus'
- 'Bellerophon leda is recombined as Bucanopsis leda'
- 'Bellerophon lindsleyi is recombined as Bucania lindsleyi'
- 'Bellerophon macer is recombined as Oxydiscus macer'
- 'Bellerophon marcouianus is recombined as Bucanopsis marcouiana'
- 'Bellerophon meekianus is recombined as Bucanopsis meekana'
- 'Bellerophon miser belongs to Bellerophon'
- 'Bellerophon mohri belongs to Bellerophon'
- 'Bellerophon montfortianum is recombined as Patellostium montfortianum'
- 'Bellerophon natator is recombined as Patellilabia natator'
- 'Bellerophon newberryi is recombined as Patellostium newberryi'
- 'Bellerophon nodocarinatus is recombined as Euphemus nodocarinatus'
- 'Bellerophon palinurus is recombined as Oxydiscus palinurus'
- 'Bellerophon patulus is recombined as Patellostium patulus'
- 'Bellerophon recurvus belongs to Bellerophon'
- 'Bellerophon rudis is recombined as Patellostium rudis'
- 'Bellerophon rugosus belongs to Bellerophon'
- 'Bellerophon similis belongs to Bellerophon'
- 'Bellerophon subangularis belongs to Bellerophon'
- 'Bellerophon subglobulus belongs to Bellerophon'
- 'Bellerophon taenia is recombined as Megalomphala taenia'
- 'Bellerophon textilis is recombined as Bucanopsis textilis'
- 'Bellerophon triliratus is recombined as Patellostium triliratus'
- 'Bellerophon troosti belongs to Bellerophon'
- 'Bellerophon troosti burginensis belongs to Bellerophon troosti'
- 'Bellerophon tubulosus is corrected as Bellerophon tubulosa and belongs to Bellerophon'
- 'Bellerophon wisconsinensis is recombined as Tetranota wisconsinensis'
- 'Bembexia belongs to Pleurotomariidae'
- 'Bucanella belongs to Protowarthiidae'
- 'Bucania belongs to Bucaniidae'
- 'Bucania bidorsata is recombined as Tetranota bidorsata'
- 'Bucania bidorsata minor belongs to Bucania bidorsata'
- 'Bucania buelli is recombined as Salpingostoma buelli'
- 'Bucania crassa belongs to Bucania'
- 'Bucania elliptica belongs to Bucania'
- 'Bucania emmonsi belongs to Bucania'
- 'Bucania expansa is recombined as Salpingostoma expansa'
- 'Bucania frankfortensis belongs to Bucania'
- 'Bucania gracillima is recombined as Conradella gracillima'
- 'Bucania halli belongs to Bucania'
- 'Bucania micronema belongs to Bucania'
- 'Bucania minnesotensis belongs to Bucania'
- 'Bucania nana belongs to Bucania'
- 'Bucania nana subpatula belongs to Bucania nana'
- 'Bucania nashvillensis belongs to Bucania'
- 'Bucania peracuta belongs to Bucania'
- 'Bucania rugatina belongs to Bucania'
- 'Bucania simulatrix belongs to Bucania'
- 'Bucania singularis belongs to Bucania'
- 'Bucania subangulata belongs to Bucania'
- 'Bucania sublata belongs to Bucania'
- 'Bucaniella esthona is recombined as Kokenia esthona'
- 'Bucanopsis carinifera belongs to Bucanopsis'
- 'Bucanospira belongs to Trochonematidae'
- 'Bucanospira expansa belongs to Bucanospira'
- 'Calaurops lituiformis is recombined as Eccyliomphalus lituiformis'
- 'Carinaropsidae belongs to Bellerophontacea'
- 'Carinaropsis belongs to Carinaropsidae'
- 'Carinaropsis (Bellerophon) phalera is recombined as Carinaropsis phalera'
- 'Carinaropsis (Phragmostoma) cunulae is recombined as Carinaropsis cunulae'
- 'Carinaropsis (Phragmostoma) cymbula is recombined as Carinaropsis cymbula'
- 'Carinaropsis acuta belongs to Carinaropsis'
- 'Carinaropsis deleta is recombined as Archinacella deleta'
- 'Carinaropsis explanata belongs to Carinaropsis'
- 'Carinaropsis minima belongs to Carinaropsis'
- 'Carinaropsis patelliformis is recombined as Archinacella patelliformis'
- 'Centrifugus planorbis is recombined as Hisingeria planorbis'
- 'Clathrospira belongs to Pleurotomariidae'
- 'Clathrospira conica belongs to Clathrospira'
- 'Clathrospira convexa belongs to Clathrospira'
- 'Coelocaulus is corrected as Coelocaeulus and belongs to Pleurotomariidae'
- 'Coelocaulus fascinata belongs to Coelocaulus'
- 'Coelocaulus neglectus belongs to Coelocaulus'
- 'Coelocaulus oehlerti belongs to Coelocaulus'
- 'Conchopeltis obtusa is recombined as Scenella obtusa'
- 'Conradella belongs to Bucaniidae'
- 'Conradella bellula belongs to Conradella'
- 'Conradella dyeri cellulosa belongs to Conradella dyeri'
- 'Conradella fimbriata belongs to Conradella'
- 'Conradella grandis belongs to Conradella'
- 'Conradella obliqua belongs to Conradella'
- 'Conradella similis belongs to Conradella'
- 'Conradella triangularis belongs to Conradella'
- 'Craspedostoma belongs to Trochonematidae'
- 'Cyclonema belongs to Trochonematidae'
- 'Cyclonema (Gyronema) praecipitum belongs to Cyclonema (Gyronema)'
- 'Cyclonema (Holopea) limatum belongs to Cyclonema (Holopea)'
- 'Cyclonema cancellatum belongs to Cyclonema'
- 'Cyclonema delicatulum is recombined as Strophostylus delicatula'
- 'Cyclonema gracile belongs to Cyclonema'
- 'Cyclonema humerosum belongs to Cyclonema'
- 'Cyclonema inflatum belongs to Cyclonema'
- 'Cyclonema mediale belongs to Cyclonema'
- 'Cyclonema semicarinatum is recombined as Gyronema semicarinatum'
- 'Cyclonema simulans belongs to Cyclonema'
- 'Cyclonema sublaeve belongs to Cyclonema'
- 'Cyclonema textile belongs to Cyclonema' according to S.A. Miller 1897
- 'Cyclonema textile is recombined as Strophostylus textilis'
- 'Cyclonema transversum belongs to Cyclonema'
- 'Cyclonema varicosa is corrected as Cyclonema varicosum and belongs to Cyclonema'
- 'Cyrtolites carinatus belongs to Cyrtolites'
- 'Cyrtolites costatus is recombined as Dyeria costatus'
- 'Cyrtolites cristatus is recombined as Oxydiscus cristatus'
- 'Cyrtolites dilatus belongs to Cyrtolites'
- 'Cyrtolites discus is recombined as Oxydiscus discus'
- 'Cyrtolites disjunctus belongs to Cyrtolites'
- 'Cyrtolites dyeri is recombined as Conradella dyeri'
- 'Cyrtolites elegans is recombined as Conradella elegans'
- 'Cyrtolites imbricatus is recombined as Conradella imbricata'
- 'Cyrtolites magnus is recombined as Oxydiscus magnus'
- 'Cyrtolites nitidula is recombined as Cyrtolitina nitidula'
- 'Cyrtolites orbiculus is recombined as Oxydiscus orbiculus'
- 'Cyrtolites ornatus belongs to Cyrtolites'
- 'Cyrtolites ornatus minor belongs to Cyrtolites ornatus'
- 'Cyrtolites pannosus is recombined as Conradella pannosus'
- 'Cyrtolites parvus belongs to Cyrtolites'
- 'Cyrtolites retrorsus belongs to Cyrtolites'
- 'Cyrtolites retrorsus fillmorensis belongs to Cyrtolites retrorsus'
- 'Cyrtolites subplanus belongs to Cyrtolites'
- 'Cyrtospira belongs to Subulitidae'
- 'Cyrtospira bicurvata belongs to Cyrtospira'
- 'Cyrtospira tortilis belongs to Cyrtospira'
- 'Cyrtospira wykoffensis belongs to Cyrtospira'
- 'Discohelix belongs to Euomphalidae'
- 'Dyeria belongs to Trochonematidae'
- 'Ecculiomphalus is corrected as Eccyliomphalus and belongs to Euomphalidae'
- 'Ecculiomphalus canadensis is recombined as Eccyliomphalus canadensis'
- 'Ecculiomphalus distans is recombined as Eccyliomphalus distans'
- 'Ecculiomphalus intortus is recombined as Eccyliomphalus intortus'
- 'Ecculiomphalus undulatus is recombined as Eccyliomphalus undulatus'
- 'Ecculiomphalus volutatus is recombined as Eccyliopterus volutatus'
- 'Eccyliomphalus alatus is recombined as Eccyliopterus alatus'
- 'Eccyliomphalus contiguus belongs to Eccyliomphalus'
- 'Eccyliomphalus subrotundus belongs to Eccyliomphalus'
- 'Eccyliopterus belongs to Euomphalidae'
- 'Eccyliopterus beloitensis belongs to Eccyliopterus'
- 'Eotomaria belongs to Pleurotomariidae'
- 'Eotomaria canalifera belongs to Eotomaria'
- 'Eotomaria elevata belongs to Eotomaria'
- 'Eotomaria labiosa belongs to Eotomaria'
- 'Eotomaria vicina belongs to Eotomaria'
- 'Euconia belongs to Pleurotomariidae'
- 'Euconospira belongs to Pleurotomariidae'
- 'Eulima peracuta is recombined as Meekospira peracuta'
- 'Eunema belongs to Trochonematidae'
- 'Eunema nitidum is recombined as Trochonema (Eunema) nitidum'
- 'Eunema pagoda is recombined as Solenospira pagoda'
- 'Eunema prisca is recombined as Solenospira prisca'
- 'Eunema strigillatum belongs to Eunema'
- 'Euomphalopterus belongs to Raphistomidae'
- 'Euomphalus belongs to Euomphalidae'
- 'Euomphalus angelini is recombined as Eccyliomphalus angelini'
- 'Euomphalus calciferus is recombined as Eccyliomphalus calciferus'
- 'Euomphalus marginalis is recombined as Eccyliopterus marginale'
- 'Euomphalus planissimus is recombined as Oxydiscus planissimus'
- 'Euomphalus uniangulatus is recombined as Ophileta uniangulata'
- 'Euphemites belongs to Bellerophontidae'
- 'Fusispira belongs to Subulitidae'
- 'Fusispira angusta belongs to Fusispira'
- 'Fusispira angusta subplana belongs to Fusispira angusta'
- 'Fusispira convexa belongs to Fusispira'
- 'Fusispira intermedia belongs to Fusispira'
- 'Fusispira nobilis belongs to Fusispira'
- 'Fusispira nobilis ingens belongs to Fusispira nobilis'
- 'Fusispira planulata belongs to Fusispira'
- 'Fusispira schucherti belongs to Fusispira'
- 'Fusispira subbrevis belongs to Fusispira'
- 'Fusispira subbrevis obesa belongs to Fusispira subbrevis'
- 'Fusispira sulcata belongs to Fusispira'
- 'Gyronema duplicatum belongs to Gyronema'
- 'Gyronema liratum belongs to Gyronema'
- 'Gyronema pulchellum belongs to Gyronema'
- 'Helcionopsis striata belongs to Helcionopsis'
- 'Helcionopsis subcarinata belongs to Helcionopsis'
- 'Helicites qualteriata is recombined as Raphistoma qualteriata'
- 'Helicotoma belongs to Euomphalidae'
- 'Helicotoma declivis belongs to Helicotoma'
- 'Helicotoma eucharis belongs to Helicotoma'
- 'Helicotoma gorgonea is corrected as Helicotoma gorgonia and belongs to Helicotoma'
- 'Helicotoma granosa belongs to Helicotoma'
- 'Helicotoma larvata is recombined as Liospira larvata'
- 'Helicotoma marginata belongs to Helicotoma'
- 'Helicotoma miser belongs to Helicotoma'
- 'Helicotoma perstriata belongs to Helicotoma'
- 'Helicotoma planulata belongs to Helicotoma'
- 'Helicotoma planulatoides belongs to Helicotoma'
- 'Helicotoma proserpina belongs to Helicotoma'
- 'Helicotoma robusta belongs to Helicotoma'
- 'Helicotoma spinosa belongs to Helicotoma'
- 'Helicotoma subquadrata belongs to Helicotoma'
- 'Helicotoma tennesseensis belongs to Helicotoma'
- 'Helicotoma tritonia belongs to Helicotoma'
- 'Helicotoma umbilicata belongs to Helicotoma'
- 'Helicotoma verticalis belongs to Helicotoma'
- 'Hisingeria belongs to Euomphalidae'
- 'Holopea was reranked as Cyclonema (Holopea) and belongs to Cyclonema' according to Scofield 1897
- 'Holopea belongs to Trochonematidae'
- 'Holopea ampla belongs to Holopea'
- 'Holopea appressa belongs to Holopea'
- 'Holopea cassina is recombined as Plethospira cassina'
- 'Holopea concinnula belongs to Holopea'
- 'Holopea excelsa belongs to Holopea'
- 'Holopea insignis belongs to Holopea'
- 'Holopea paludiniformis belongs to Holopea'
- 'Holopea parvula belongs to Holopea'
- 'Holopea pyrene belongs to Holopea'
- 'Holopea rotunda belongs to Holopea'
- 'Holopea similis belongs to Holopea'
- 'Holopea subtilis belongs to Holopea'
- 'Holopea supraplana belongs to Holopea'
- 'Hormotoma gracilis goodhuensis belongs to Hormotoma gracilis'
- 'Hormotoma gracilis multivolvis belongs to Hormotoma gracilis'
- 'Hormotoma gracilis sublaxa belongs to Hormotoma gracilis'
- 'Hormotoma salteri belongs to Murchisonia (Hormotoma)'
- 'Hormotoma salteri canadensis belongs to Hormotoma salteri'
- 'Hormotoma salteri nitida belongs to Hormotoma salteri'
- 'Hormotoma salteri tennesseensis belongs to Hormotoma salteri'
- 'Hormotoma subangulata belongs to Murchisonia (Hormotoma)'
- 'Hormotoma trentonensis belongs to Murchisonia (Hormotoma)'
- 'Kokenia belongs to Bucaniidae'
- 'Kokenia costalis belongs to Kokenia'
- 'Liospira belongs to Pleurotomariidae'
- 'Liospira abrupta belongs to Liospira'
- 'Liospira angulata belongs to Liospira'
- 'Liospira angustata belongs to Liospira'
- 'Liospira decipens belongs to Liospira'
- 'Liospira modesta belongs to Liospira'
- 'Liospira mundula belongs to Liospira'
- 'Liospira obtusa belongs to Liospira'
- 'Liospira persimilis belongs to Liospira'
- 'Liospira rugata belongs to Liospira'
- 'Liospira subconcava belongs to Liospira'
- 'Lophospira belongs to Pleurotomariidae'
- 'Lophospira abnormis belongs to Lophospira'
- 'Lophospira acuminata belongs to Lophospira'
- 'Lophospira ampla belongs to Lophospira'
- 'Lophospira augustina minnesotensis belongs to Lophospira augustina'
- 'Lophospira centralis belongs to Lophospira'
- 'Lophospira concinnula belongs to Lophospira'
- 'Lophospira conoidea belongs to Lophospira'
- 'Lophospira conradana belongs to Lophospira'
- 'Lophospira decursa belongs to Lophospira'
- 'Lophospira elevata belongs to Lophospira'
- 'Lophospira fillmorensis belongs to Lophospira'
- 'Lophospira gothlandica belongs to Lophospira'
- 'Lophospira humilis belongs to Lophospira'
- 'Lophospira knoxvillensis belongs to Lophospira'
- 'Lophospira lirata belongs to Lophospira'
- 'Lophospira medialis belongs to Lophospira'
- 'Lophospira medialis burginensis belongs to Lophospira medialis'
- 'Lophospira notablis belongs to Lophospira'
- 'Lophospira obliqua belongs to Lophospira'
- 'Lophospira oweni belongs to Lophospira'
- 'Lophospira peracuta belongs to Lophospira'
- 'Lophospira perforata belongs to Lophospira'
- 'Lophospira perlamellosus belongs to Lophospira'
- 'Lophospira procera belongs to Lophospira'
- 'Lophospira producta belongs to Lophospira'
- 'Lophospira pulchella belongs to Lophospira'
- 'Lophospira quadrisulcata belongs to Lophospira'
- 'Lophospira saffordi belongs to Lophospira'
- 'Lophospira spironema belongs to Lophospira'
- 'Lophospira tenuistriata belongs to Lophospira'
- 'Lophospira trochonemoides belongs to Lophospira'
- 'Lophospira wisconsinensis belongs to Lophospira'
- 'Loxonema nitidula is recombined as Meekospira nitidula'
- 'Maclurea bigsbyi belongs to Maclurea'
- 'Maclurea crassa belongs to Maclurea'
- 'Maclurea crassa macra belongs to Maclurea crassa'
- 'Maclurea crenulata belongs to Maclurea'
- 'Maclurea cuneata is recombined as Maclurina cuneata'
- 'Maclurea depressa belongs to Maclurea'
- 'Maclurea knoxvillensis belongs to Maclurea'
- 'Maclurea manitobensis is recombined as Maclurina manitobensis'
- 'Maclurea nitida belongs to Maclurea'
- 'Maclurea subrotunda is recombined as Maclurina subrotunda'
- 'Maclurina belongs to Maclureadae'
- 'Maclurites is corrected as Maclurea and belongs to Maclureadae'
- 'Maclurites magna is recombined as Maclurea magnus'
- 'Macrochilina bulimina is recombined as Meekospira bulima'
- 'Macrochilina cancellata is recombined as Meekospira cancellata'
- 'Macrochilina fenestrata is recombined as Meekospira fenestrata'
- 'Meekospira belongs to Loxonematidae'
- 'Meekospira subconica belongs to Meekospira'
- 'Megalomphala belongs to Bucaniidae'
- 'Melania antiqua is recombined as Meekospira antiqua'
- 'Metoptoma alceste belongs to Metoptoma'
- 'Metoptoma erato is recombined as Tryblidium erato'
- 'Metoptoma estella is recombined as Archinacella estella'
- 'Metoptoma hyrie is recombined as Tryblidium hyrie'
- 'Metoptoma instabilis is recombined as Archinacella instabilis'
- 'Metoptoma montrealensis is recombined as Scenella montrealensis'
- 'Metoptoma nycteis is recombined as Tryblidium nycteis'
- 'Metoptoma orphyne is recombined as Palaeacmaea orphyne'
- 'Metoptoma perovalis is recombined as Archinacella perovalis'
- 'Metoptoma quebecensis is recombined as Palaeacmaea quebecensis'
- 'Metoptoma simplex is recombined as Archinacella simplex'
- 'Metoptoma superba is recombined as Scenella superba'
- 'Metoptoma trentonensis is recombined as Archinacella trentonensis'
- 'Mogulia belongs to Bellerophontidae'
- 'Mourlonia belongs to Pleurotomariidae'
- 'Murchisonia (Hormotoma) belongs to Pleurotomariidae'
- 'Murchisonia acrea is recombined as Turritoma acrea'
- 'Murchisonia ada is recombined as Turritoma ada'
- 'Murchisonia adelina is recombined as Solenospira adelina'
- 'Murchisonia alexandra is recombined as Omospira alexandra'
- 'Murchisonia angustata is recombined as Hormotoma gracilis angustatus'
- 'Murchisonia anna is recombined as Hormotoma anna'
- 'Murchisonia asper is recombined as Lophospira aspera'
- 'Murchisonia attenuata is recombined as Hormotoma attenuata'
- 'Murchisonia attenuata is recombined as Solenospira attenuata'
- 'Murchisonia augustina is recombined as Lophospira augustina'
- 'Murchisonia bellicincta is recombined as Hormotoma bellicincta'
- 'Murchisonia bivittata is recombined as Coelocaeulus bivittata'
- 'Murchisonia bowdeni is recombined as Lophospira bowdeni'
- 'Murchisonia boylei is recombined as Turritoma boylei'
- 'Murchisonia cancellata is recombined as Lophospira cancellata'
- 'Murchisonia cancellatula is recombined as Lophospira cancellatula'
- 'Murchisonia cassandra is recombined as Seelya cassandra'
- 'Murchisonia cava is recombined as Turritoma cava'
- 'Murchisonia cicelia is recombined as Lophospira cicelia'
- 'Murchisonia cochleata is recombined as Lophospira cochleata'
- 'Murchisonia compressa is recombined as Coelocaulus compressa'
- 'Murchisonia constricta is recombined as Turritoma constricta'
- 'Murchisonia desiderata is recombined as Hormotoma desiderata'
- 'Murchisonia egregium is recombined as Hormotoma egregia'
- 'Murchisonia elegantula is recombined as Bembexia elegantula'
- 'Murchisonia estella is recombined as Lophospira estella'
- 'Murchisonia extenuata is recombined as Lophospira extenuata'
- 'Murchisonia gracilens is recombined as Hormotoma gracilens'
- 'Murchisonia gracilis is recombined as Hormotoma gracilis'
- 'Murchisonia gracilis is recombined as Solenospira gracilis'
- 'Murchisonia gyrogonia is recombined as Lophospira gyrogonia'
- 'Murchisonia hebe is recombined as Hormotoma hebe'
- 'Murchisonia helicteres is recombined as Lophospira helicteres'
- 'Murchisonia imbricata is recombined as Lophospira imbricata'
- 'Murchisonia laphami is recombined as Turritoma laphami'
- 'Murchisonia leda is recombined as Hormotoma leda'
- 'Murchisonia linearis is recombined as Coelocaulus linearis'
- 'Murchisonia loganii is recombined as Coelocaulus logani'
- 'Murchisonia longispira is recombined as Coelocaulus longispira'
- 'Murchisonia macrospira is recombined as Lophospira macrospira'
- 'Murchisonia maia is recombined as Hormotoma maia'
- 'Murchisonia major is recombined as Lophospira major'
- 'Murchisonia missisquoi is recombined as Solenospira missisquoi'
- 'Murchisonia modesta is recombined as Lophospira modesta'
- 'Murchisonia monoliniformis is recombined as Hormotoma moniliformis'
- 'Murchisonia munda is recombined as Lophospira munda'
- 'Murchisonia obtusangula is recombined as Hormotoma obtusangula'
- 'Murchisonia perangulata is recombined as Lophospira perangulata'
- 'Murchisonia procris is recombined as Hormotoma procris'
- 'Murchisonia pulchra is recombined as Lophospira pulchra'
- 'Murchisonia quadricarinata is recombined as Solenospira quadricarinata'
- 'Murchisonia serrulata is recombined as Lophospira serrulata'
- 'Murchisonia simulatrix is recombined as Hormotoma simulatrix'
- 'Murchisonia sororcula is recombined as Lophospira sororcula'
- 'Murchisonia subfusiformis is recombined as Fusispira subfusiformis'
- 'Murchisonia subplicata is recombined as Hormotoma subplicata'
- 'Murchisonia sumnerensis is recombined as Lophospira sumnerensis'
- 'Murchisonia tenuis is recombined as Solenospira tenuis'
- 'Murchisonia teretiformis belongs to Murchisonia'
- 'Murchisonia tortuosa is recombined as Lophospira tortuosa'
- 'Murchisonia tricarinata is recombined as Lophospira tricarinata'
- 'Murchisonia tricincta is recombined as Solenospira tricincta'
- 'Murchisonia turritella is recombined as Solenospira turritella'
- 'Murchisonia turritiformis is recombined as Coelocaulus turritiformis'
- 'Murchisonia ventricosa is recombined as Lophospira ventricosa'
- 'Murchisonia vermicula is recombined as Solenospira vermicula'
- 'Murchisonia vesta is recombined as Hormotoma vesta'
- 'Omospira belongs to Raphistomidae'
- 'Omospira laticincta belongs to Omospira'
- 'Ophileta ottawaensis is recombined as Eccyliopterus ottawaensis'
- 'Ophileta owenana is recombined as Eccyliopterus owenanus'
- 'Ophiletina belongs to Euomphalidae'
- 'Ophiletina angularis belongs to Ophiletina'
- 'Ophiletina sublaxa belongs to Ophiletina'
- 'Owenella belongs to Protowarthiidae'
- 'Oxydiscus belongs to Bucaniidae'
- 'Oxydiscus imitator belongs to Oxydiscus'
- 'Oxydiscus subacutus belongs to Oxydiscus'
- 'Palaeacmaea humilis belongs to Palaeacmaea'
- 'Patellostium belongs to Bellerophontidae'
- 'Phanerotrema belongs to Pleurotomariidae'
- 'Phragmolites compressus is recombined as Conradella compressus'
- 'Platyceras belongs to Capulidae'
- 'Platyceras depressum belongs to Platyceras'
- 'Platyceras wisconsinense belongs to Platyceras'
- 'Plethospira belongs to Pleurotomariidae'
- 'Plethospira striata belongs to Plethospira'
- 'Pleurotomaria adjutor is recombined as Bembexia adjutor'
- 'Pleurotomaria americana is recombined as Liospira americana'
- 'Pleurotomaria amphitrite is recombined as Euconia amphitrite'
- 'Pleurotomaria bilix is recombined as Cyclonema bilix'
- 'Pleurotomaria calyx is recombined as Raphistoma calyx'
- 'Pleurotomaria claustrata is recombined as Clathrospira claustrata'
- 'Pleurotomaria clivosa is recombined as Trochonema (Eunema) clivosa'
- 'Pleurotomaria crevieri is recombined as Raphistoma crevieri'
- 'Pleurotomaria difficilis is recombined as Seelya difficilis'
- 'Pleurotomaria docens is recombined as Liospira docens'
- 'Pleurotomaria dryope is recombined as Eotomaria dryope'
- 'Pleurotomaria etna is recombined as Euconia etna'
- 'Pleurotomaria eugenia is recombined as Liospira eugenia'
- 'Pleurotomaria glandiformis is recombined as Clathrospira glandiformis'
- 'Pleurotomaria gradata is recombined as Lophospira gradata'
- 'Pleurotomaria grayvillensis is recombined as Phanerotrema grayvillensis'
- 'Pleurotomaria harpya belongs to Pleurotomaria'
- 'Pleurotomaria helena is recombined as Liospira helena'
- 'Pleurotomaria hindei is recombined as Clathrospira hindei'
- 'Pleurotomaria holmi is recombined as Lophospira holmi'
- 'Pleurotomaria hortensia is recombined as Eccyliopterus hortensia'
- 'Pleurotomaria kokeni is recombined as Liospira kokeni'
- 'Pleurotomaria labrosa occidens is recombined as Phanerotrema occidens'
- 'Pleurotomaria laqueata is recombined as Lophospira laqueata'
- 'Pleurotomaria latezonata is recombined as Clathrospira latezonata'
- 'Pleurotomaria laurentina is recombined as Raphistomina laurentina'
- 'Pleurotomaria limata is recombined as Mourlonia limata'
- 'Pleurotomaria lloydii is recombined as Seelya lloydii'
- 'Pleurotomaria marcouiana is recombined as Phanerotrema marcouianum'
- 'Pleurotomaria micula is recombined as Liospira micula'
- 'Eotomaria nasoni is a subjective synonym of Eotomaria supracingulata'
- 'Pleurotomaria niota is recombined as Trochonema niota'
- 'Pleurotomaria nitella is recombined as Bembexia nitella'
- 'Pleurotomaria numeria is recombined as Liospira numeria'
- 'Pleurotomaria pericarinata is recombined as Gyronema pericarinatum'
- 'Pleurotomaria planidorsalis is recombined as Bembexia planidorsalis'
- 'Pleurotomaria progne is recombined as Liospira progne'
- 'Pleurotomaria ramseyi is recombined as Euconia ramseyi'
- 'Pleurotomaria robusta is recombined as Lophospira robusta'
- 'Pleurotomaria robusta laevissima is recombined as Lophospira robusta laevissima'
- 'Pleurotomaria rotalia is recombined as Trepospira rotalia'
- 'Pleurotomaria scutulata is recombined as Lophospira scutulata'
- 'Pleurotomaria semele is recombined as Plethospira semele'
- 'Pleurotomaria shumardi is recombined as Bembexia shumardi'
- 'Pleurotomaria sphaerulata is recombined as Trepospira sphaerulata'
- 'Pleurotomaria subconica is recombined as Clathrospira subconica'
- 'Pleurotomaria sulcomarginata is recombined as Bembexia sulcomarginata'
- 'Pleurotomaria supracingulata is recombined as Eotomaria supracingulata'
- 'Pleurotomaria trilix is recombined as Lophospira trilix'
- 'Pleurotomaria tubulosa is recombined as Lophospira tubulosa'
- 'Pleurotomaria turbiniformis is recombined as Euconospira turbiniformis'
- 'Pleurotomaria umbilicata is recombined as Trochonema umbilicata'
- 'Pleurotomaria undulans is recombined as Euomphalopterus undulans'
- 'Pleurotomaria vitruvia is recombined as Liospira vitruvia'
- 'Pleurotomariidae belongs to Eotomacea'
- 'Polyphemopsis inornata is recombined as Meekospira inornata'
- 'Polyphemopsis louisvillae is recombined as Meekospira louisvillae'
- 'Protowarthia belongs to Protowarthiidae'
- 'Protowarthia concinna belongs to Protowarthia'
- 'Protowarthia granistriata belongs to Protowarthia'
- 'Protowarthia obesus belongs to Protowarthia'
- 'Protowarthia pervoluta belongs to Protowarthia'
- 'Protowarthia planodorsata belongs to Protowarthia'
- 'Protowarthia rectangularis belongs to Protowarthia'
- 'Protowarthia subcompressa belongs to Protowarthia'
- 'Pterotheca belongs to Carinaropsidae'
- 'Raphistoma belongs to Raphistomidae'
- 'Raphistoma lapicida is recombined as Raphistomina lapicida'
- 'Raphistoma peracutum belongs to Raphistoma'
- 'Raphistoma praevium is recombined as Liospira praevium'
- 'Raphistoma replicata is recombined as Eccyliopterus replicata'
- 'Raphistoma richmondensis belongs to Raphistoma'
- 'Raphistoma schmidti belongs to Raphistoma'
- 'Raphistoma spirillum is recombined as Eccyliopterus spirillum'
- 'Raphistomidae belongs to Eotomacea'
- 'Raphistomina belongs to Raphistomidae'
- 'Raphistomina denticulata belongs to Raphistomina'
- 'Raphistomina modesta belongs to Raphistomina'
- 'Raphistomina rugata belongs to Raphistomina'
- 'Salpingostoma belongs to Bucaniidae'
- 'Salpingostoma buelli kentuckyense belongs to Salpingostoma buelli'
- 'Salpingostoma imbricata belongs to Salpingostoma'
- 'Salpingostoma richmondensis belongs to Salpingostoma'
- 'Salpingostoma sculptilis belongs to Salpingostoma'
- 'Scalites angulatus belongs to Scalites'
- 'Scalites tropidophora is recombined as Lophospira tropidophora'
- 'Scenella affinis belongs to Scenella'
- 'Scenella beloitensis belongs to Scenella'
- 'Scenella compressa belongs to Scenella'
- 'Scenella magnifica belongs to Scenella'
- 'Scenella radialis belongs to Scenella'
- 'Schizolopha belongs to Pleurotomariidae'
- 'Schizolopha moorei belongs to Schizolopha'
- 'Schizolopha textilis belongs to Schizolopha'
- 'Seelya belongs to Pleurotomariidae'
- 'Seelya mundula belongs to Seelya'
- 'Seelya ventricosa belongs to Seelya'
- 'Sinuites belongs to Protowarthiidae'
- 'Solenospira belongs to Pleurotomariidae'
- 'Stachella belongs to Bellerophontidae'
- 'Stenotheca unguiformis belongs to Stenotheca'
- 'Straparollus quebecensis is recombined as Eccyliomphalus quebecensis'
- 'Strophostylus belongs to Trochonematidae'
- 'Subulites belongs to Subulitidae'
- 'Subulites (Polyphemopsis) planilateralis is recombined as Meekospira planilateralis'
- 'Subulites abbreviatus is recombined as Cyrtospira abbreviatus'
- 'Subulites beloitensis belongs to Subulites'
- 'Subulites brevis is recombined as Cyrtospira brevis'
- 'Subulites calciferus is recombined as Fusispira calciferus'
- 'Subulites canadensis belongs to Subulites'
- 'Subulites compactus belongs to Subulites'
- 'Subulites conradi belongs to Subulites'
- 'Subulites daphne is recombined as Fusispira daphne'
- 'Subulites directus belongs to Subulites'
- 'Subulites dixonenesis belongs to Subulites'
- 'Subulites inflatus is recombined as Fusispira inflata'
- 'Subulites nanus belongs to Subulites'
- 'Subulites notatus is recombined as Cyrtospira notata'
- 'Subulites parvulus is recombined as Cyrtospira parvulus'
- 'Subulites parvus belongs to Subulites'
- 'Subulites pergracilis belongs to Subulites'
- 'Subulites psyche is recombined as Fusispira psyche'
- 'Subulites regularis belongs to Subulites'
- 'Subulites richardsoni belongs to Subulites'
- 'Subulites terebriformis belongs to Subulites'
- 'Subulites ventricosus is recombined as Cyrtospira ventricosus'
- 'Tetranota macra belongs to Tetranota'
- 'Tetranota obsoleta belongs to Tetranota'
- 'Tetranota sexcarinata belongs to Tetranota'
- 'Trepospira belongs to Pleurotomariidae'
- 'Trepospira (Trepospira) belongs to Trepospira'
- 'Triblidium pileolum is recombined as Archinacella piliolum'
- 'Trochonema belongs to Trochonematidae'
- 'Trochonema (Eunema) arctatum belongs to Trochonema (Eunema)'
- 'Trochonema (Eunema) obsoletum belongs to Trochonema (Eunema)'
- 'Trochonema (Eunema) robbinsi belongs to Trochonema (Eunema)'
- 'Trochonema (Eunema) salteri belongs to Trochonema (Eunema)'
- 'Trochonema (Eunema) simile belongs to Trochonema (Eunema)'
- 'Trochonema altum belongs to Trochonema'
- 'Trochonema beachi belongs to Trochonema'
- 'Trochonema bellulum belongs to Trochonema'
- 'Trochonema beloitense belongs to Trochonema'
- 'Trochonema eccentricum belongs to Trochonema'
- 'Trochonema fragile belongs to Trochonema'
- 'Trochonema madisonense belongs to Trochonema'
- 'Trochonema retrorsum belongs to Trochonema'
- 'Trochonema rugosum belongs to Trochonema'
- 'Trochonema subcrassum belongs to Trochonema'
- 'Trochonema umbilicata canadensis belongs to Trochonema umbilicata'
- 'Trochonema vagrans belongs to Trochonema'
- 'Trochus astraliformis is recombined as Raphistomina astraliformis'
- 'Trochus dalli is recombined as Trochonema dalli'
- 'Trochus fulminatus is recombined as Trochonema fulminatus'
- 'Trochus gotlandicus is recombined as Raphistomina gothlandicus'
- 'Trochus incisus is recombined as Raphistomina incisus'
- 'Trochus lamellosus is recombined as Trochonema lamellosus'
- 'Trochus lundgreni is recombined as Raphistomina lundgreni'
- 'Trochus missouriensis is recombined as Euconospira missouriensis'
- 'Trochus mollis is recombined as Cyclonema mollis'
- 'Trochus wisbyensis is recombined as Trochonema wisbyensis'
- 'Tryblidium canadense is recombined as Archinacella canadense'
- 'Tryblidium conicum is recombined as Scenella conicum'
- 'Tryblidium exserta is recombined as Scenella exserta'
- 'Tryblidium modestum belongs to Tryblidium'
- 'Tryblidium radiatum is recombined as Helcionopsis radiata'
- 'Tryblidium unguis belongs to Tryblidium'
- 'Tryblidium validum is recombined as Archinacella valida'
- 'Turbo tabulatus is recombined as Worthenia tabulata'
- 'Turritella cingulata is recombined as Hormotoma cingulata'
- 'Turritoma belongs to Pleurotomariidae'
- 'Warthia belongs to Bellerophontidae'
- 'Worthenia belongs to Pleurotomariidae'