Opinions from F. B. Meek and A. H. Worthen 1860

  • 'Aviculopecten coxanus belongs to Aviculopecten'
  • 'Aviculopecten interlineatus belongs to Aviculopecten'
  • 'Aviculopecten pellucidus belongs to Aviculopecten'
  • 'Bellerophon crassus belongs to Bellerophon'
  • 'Cardiomorpha radiata belongs to Cardiomorpha'
  • 'Cyrtoceras curtum belongs to Cyrtoceras'
  • 'Eulima peracuta belongs to Eulima'
  • 'Eunema salteri belongs to Eunema'
  • 'Euomphalus planodorsatus belongs to Euomphalus'
  • 'Euomphalus umbilicatus belongs to Euomphalus'
  • 'Goniatites lyoni belongs to Goniatites'
  • 'Leda (Yoldia) levistriata belongs to Leda (Yoldia)'
  • 'Loxonema cerithiformis belongs to Loxonema'
  • 'Loxonema nitidula belongs to Loxonema'
  • 'Loxonema rugosa belongs to Loxonema'
  • 'Loxonema scitula belongs to Loxonema'
  • 'Macrocheilus intercalaris belongs to Macrocheilus'
  • 'Macrocheilus medialis belongs to Macrocheilus'
  • 'Naticopsis nodosus belongs to Naticopsis'
  • 'Nautilus sangamonense belongs to Nautilus'
  • 'Palasterina (Schoenaster) belongs to Palasterina'
  • 'Palasterina (Schoenaster) fimbriata belongs to Palasterina (Schoenaster)'
  • 'Pecten tenuilineatus belongs to Pecten'
  • 'Platyostoma nana belongs to Platyostoma'
  • 'Platyostoma tumida belongs to Platyostoma'
  • 'Pleurotomaria chesterensis belongs to Pleurotomaria'
  • 'Pleurotomaria granulostriata belongs to Pleurotomaria'
  • 'Pleurotomaria pratteni belongs to Pleurotomaria'
  • 'Pleurotomaria scitula belongs to Pleurotomaria'
  • 'Pleurotomaria shumardi belongs to Pleurotomaria'
  • 'Pleurotomaria speciosa belongs to Pleurotomaria'
  • 'Pleurotomaria subconstricta belongs to Pleurotomaria'
  • 'Pleurotomaria subsinuata belongs to Pleurotomaria'
  • 'Pleurotomaria turbiniformis belongs to Pleurotomaria'
  • 'Schizodus chesterensis belongs to Schizodus'
  • 'Solemya [misspelled as Solenomya] belongs to Pelecypoda'
  • 'Soleniscus typicus belongs to Soleniscus'
  • 'Solenomya radiata belongs to Solenomya'