Opinions from E. Billings 1866

  • 'Athyris lara belongs to Athyris'
  • 'Bellerophon bilobatus belongs to Bellerophon'
  • 'Bellerophon canadensis belongs to Bellerophon'
  • 'Bellerophon fraternus belongs to Bellerophon'
  • 'Bellerophon solitarius belongs to Bellerophon'
  • 'Cheirurus numator belongs to Cheirurus'
  • 'Conocardium elegantulum belongs to Conocardium'
  • 'Conularia splendida belongs to Conularia'
  • 'Cyclonema bellula belongs to Cyclonema'
  • 'Cyclonema communis belongs to Cyclonema'
  • 'Cyclonema decora belongs to Cyclonema'
  • 'Cyclonema humilis belongs to Cyclonema'
  • 'Cyclonema mediocris belongs to Cyclonema'
  • 'Cyclonema percingulatum belongs to Cyclonema'
  • 'Cyrtodonta emma belongs to Cyrtodonta'
  • 'Cyrtodonta plebia belongs to Cyrtodonta'
  • 'Cyrtolites desiderata belongs to Cyrtolites'
  • 'Cyrtolites pannosus belongs to Cyrtolites'
  • 'Dionide perplexa belongs to Dionide'
  • 'Ischyrinia plicata belongs to Ischyrinia'
  • 'Ischyrinia winchelli belongs to Ischyrinia'
  • 'Loxonema aculeata belongs to Loxonema'
  • 'Murchisonia funata belongs to Murchisonia'
  • 'Murchisonia modesta belongs to Murchisonia'
  • 'Murchisonia multivolvis belongs to Murchisonia'
  • 'Murchisonia papillosa belongs to Murchisonia'
  • 'Murchisonia rugosum belongs to Murchisonia'
  • 'Murchisonia teretiformis belongs to Murchisonia'
  • 'Murchisonia turricula belongs to Murchisonia'
  • 'Murchisonia varians belongs to Murchisonia'
  • 'Orthis aequivalva is corrected as Orthis uberis and belongs to Orthis'
  • 'Orthis sola belongs to Orthis'
  • 'Orthoceras anticostense is corrected as Orthoceras anticostiense and belongs to Orthoceras'
  • 'Orthoceras bellatulum belongs to Orthoceras'
  • 'Orthoceras infelix belongs to Orthoceras'
  • 'Orthoceras propinquum is replaced by Orthoceras fulgar'
  • 'Orthoceras raptor belongs to Orthoceras'
  • 'Pentamerus reversus is recombined as Camerella reversa'
  • 'Pleurotomaria circe belongs to Pleurotomaria'
  • 'Pleurotomaria cryptata belongs to Pleurotomaria'
  • 'Pleurotomaria sybellina belongs to Pleurotomaria'
  • 'Pleurotomaria thalia is recombined as Cyclonema thalia'
  • 'Pterinea thisbe belongs to Pterinea'
  • 'Ptilodictya canadensis belongs to Ptilodictya'
  • 'Ptilodictya fragilis belongs to Ptilodictya'
  • 'Ptilodictya nitidula belongs to Ptilodictya'
  • 'Rhynchonella janea belongs to Rhynchonella'
  • 'Rhynchonella vicina belongs to Rhynchonella'
  • 'Subulites notatus belongs to Subulites'
  • 'Subulites richardsoni belongs to Subulites'
  • 'Tubipora catenularia is recombined as Halysites catenularia'