Opinions from E. D. Cope 1890

  • 'Agabelus belongs to Platanistidae'
  • 'Anarnak is corrected as Anarnacus and belongs to Physeteridae'
  • 'Archaeoceti belongs to Cetacea'
  • 'Balaena belongs to Balaenidae'
  • 'Balaena prisca is recombined as Cetotherium priscum'
  • 'Balaenoptera belongs to Balaenidae'
  • 'Balaenoptera pusilla is recombined as Cetotherium pusillum'
  • 'Balanadae is corrected as Balaenidae and belongs to Mysticeti'
  • 'Belemnoziphius prorops is recombined as Mesoplodon prorops'
  • 'Berardius belongs to Physeteridae'
  • 'Cetophis belongs to Platanistidae'
  • 'Cetophis heteroclitus belongs to Cetophis'
  • 'Cetotherium belongs to Balaenidae'
  • 'Choneziphius belongs to Physeteridae'
  • 'Choneziphius trachops belongs to Choneziphius'
  • 'Colophonodon holmesii is recombined as Squalodon holmesii'
  • 'Delphinapterus belongs to Delphinidae'
  • 'Delphinapterus orcinus belongs to Delphinapterus'
  • 'Delphinidae belongs to Odontoceti'
  • 'Delphinus belongs to Delphinidae'
  • 'Delphinus (Grampus) was reranked as Grampus and belongs to Delphinidae'
  • 'Delphinus calvertensis is recombined as Lophocetus calvertensis'
  • 'Delphinus canaliculatus is recombined as Stenodelphis canaliculatus'
  • 'Delphinus vermontana is recombined as Delphinapterus vermontanus'
  • 'Dinoziphius carolinensis is recombined as Hoplocetus carolinensis'
  • 'Eschrichtius cephalus is recombined as Cetotherium cephalus'
  • 'Eschrichtius davidsonii is recombined as Balaenoptera davidsonii'
  • 'Eschrichtius leptocentrus is recombined as Cetotherium leptocentrum'
  • 'Globicephala belongs to Delphinidae'
  • 'Graphiodon vinearis is recombined as Squalodon vinearius'
  • 'Herpetocetus belongs to Balaenidae'
  • 'Hoplocetus belongs to Physeteridae'
  • 'Hyperoodon is a subjective synonym of Anarnacus'
  • 'Ixacanthus belongs to Platanistidae'
  • 'Ixacanthus coelospondylus belongs to Ixacanthus'
  • 'Kogia belongs to Physeteridae'
  • 'Lagenorhynchus belongs to Delphinidae'
  • 'Macrophoca atlantica is recombined as Squalodon atlanticus'
  • 'Megaptera belongs to Balaenidae'
  • 'Megaptera expansa is recombined as Cetotherium expansus'
  • 'Mesoplodon belongs to Physeteridae'
  • 'Mesoteras belongs to Balaenidae'
  • 'Mesoteras kerrianus belongs to Mesoteras'
  • 'Monodon belongs to Delphinidae'
  • 'Mysticeti belongs to Cetacea'
  • 'Neomeris belongs to Delphinidae'
  • 'Odontoceti belongs to Cetacea'
  • 'Orca belongs to Delphinidae'
  • 'Palaeocetus belongs to Balaenidae'
  • 'Phocaena belongs to Delphinidae'
  • 'Physeter belongs to Physeteridae'
  • 'Physeter macrocephalus belongs to Physeter'
  • 'Physeteridae belongs to Odontoceti'
  • 'Physeterula dubusii is recombined as Kogia dubusii'
  • 'Physodon belongs to Physeteridae'
  • 'Platanista belongs to Platanistidae'
  • 'Platanistina was reranked as the family Platanistidae and belongs to Odontoceti'
  • 'Plesiocetus belongs to Balaenidae'
  • 'Pontoporia belongs to Platanistidae'
  • 'Priscodelphinus belongs to Platanistidae'
  • 'Priscodelphinus grandaevus belongs to Priscodelphinus'
  • 'Rhabdosteus belongs to Platanistidae'
  • 'Rhabdosteus latiradix belongs to Rhabdosteus'
  • 'Rhachianectes [misspelled as Rachianectes] belongs to Balaenidae'
  • 'Sagmatias belongs to Delphinidae'
  • 'Squalodon belongs to Squalodontidae'
  • 'Squalodon antverpiensis belongs to Squalodon'
  • 'Squalodon grateloupii belongs to Squalodon'
  • 'Squalodontidae belongs to Odontoceti'
  • 'Stenodelphis belongs to Platanistidae'
  • 'Stenodon is a subjective synonym of Orycterocetus'
  • 'Trirhizodon belongs to Squalodontidae'
  • 'Zarhachis belongs to Platanistidae'
  • 'Zeuglodon belongs to Zeuglodontidae'
  • 'Zeuglodon brachyspondylus belongs to Zeuglodon'
  • 'Zeuglodon cetoides belongs to Zeuglodon'
  • 'Zeuglodontidae belongs to Archaeoceti'