Opinions from J. Hall 1876
- 'Acroculia erectum is recombined as Platyceras erectum'
- 'Bellerophon (Bucania) pelops is recombined as Bellerophon pelops'
- 'Bellerophon crenistria belongs to Bellerophon'
- 'Bellerophon leda belongs to Bellerophon'
- 'Bellerophon maera belongs to Bellerophon'
- 'Bellerophon natator belongs to Bellerophon'
- 'Bellerophon neleus belongs to Bellerophon'
- 'Bellerophon obsoletus belongs to Bellerophon'
- 'Bellerophon otsego belongs to Bellerophon'
- 'Calymene anchiops is recombined as Dalmanites anchiops'
- 'Calymene crassimarginata is recombined as Proetus crassimarginatus'
- 'Calymene rowi is recombined as Proetus rowi'
- 'Cyclonema concinna belongs to Cyclonema'
- 'Cyclonema lirata belongs to Cyclonema'
- 'Cyclonema obsolescens belongs to Cyclonema'
- 'Cyrtolites mitella belongs to Cyrtolites'
- 'Dalmania calypso is recombined as Dalmanites calypso'
- 'Ecculiomphalus was reranked as Euomphalus (Ecculiomphalus) and belongs to Euomphalus'
- 'Euomphalus (Straparollus) hecale belongs to Euomphalus (Straparollus)'
- 'Euomphalus (Straparollus) inops belongs to Euomphalus (Straparollus)'
- 'Euomphalus (Straparollus) rudis belongs to Euomphalus (Straparollus)'
- 'Euomphalus eboracensis belongs to Euomphalus'
- 'Euomphalus luxus is recombined as Euomphalus (Ecculiomphalus) laxus'
- 'Euomphalus tioga belongs to Euomphalus'
- 'Heliophyllum halli reflexum belongs to Heliophyllum halli'
- 'Loxonema bellatula is recombined as Isonema bellatula'
- 'Loxonema bellona belongs to Loxonema'
- 'Loxonema coapta belongs to Loxonema'
- 'Loxonema hamiltoniae belongs to Loxonema'
- 'Loxonema robusta belongs to Loxonema'
- 'Loxonema styliola belongs to Loxonema'
- 'Loxonema teres belongs to Loxonema'
- 'Macrocheilus hebe belongs to Macrocheilus'
- 'Phillipsia minuscula belongs to Phillipsia'
- 'Platyceras (Orthonychia) subrectum is recombined as Orthonychia subrectum'
- 'Platyceras auriculatum belongs to Platyceras'
- 'Platyostoma lichas is recombined as Isonema lichas'
- 'Platyostoma lineatum is corrected as Platyostoma lineata and belongs to Platyostoma'
- 'Platyostoma plebia belongs to Platyostoma'
- 'Pleurotomaria apicialis is corrected as Pleurotomaria apicalis and belongs to Pleurotomaria'
- 'Pleurotomaria capillaria belongs to Pleurotomaria'
- 'Pleurotomaria disjuncta belongs to Pleurotomaria'
- 'Pleurotomaria ella belongs to Pleurotomaria'
- 'Pleurotomaria filitexta belongs to Pleurotomaria'
- 'Pleurotomaria hebe belongs to Pleurotomaria'
- 'Pleurotomaria imitator is recombined as Isonema imitator'
- 'Pleurotomaria insolita belongs to Pleurotomaria'
- 'Pleurotomaria itys belongs to Pleurotomaria'
- 'Pleurotomaria lucina belongs to Pleurotomaria'
- 'Pleurotomaria planidorsalis belongs to Pleurotomaria'
- 'Pleurotomaria plena belongs to Pleurotomaria'
- 'Pleurotomaria rotalia belongs to Pleurotomaria'
- 'Pleurotomaria sulcomarginata belongs to Pleurotomaria'
- 'Porcellia hertzeri belongs to Porcellia'
- 'Proetus haldemani belongs to Proetus'
- 'Proetus hesione belongs to Proetus'
- 'Strophostylus varians belongs to Strophostylus'