Opinions from O. Abel 1919

  • 'Acrodelphidae belongs to Squaloceti'
  • 'Acrodelphis belongs to Acrodelphidae'
  • 'Agorophiidae belongs to Archaeoceti'
  • 'Agorophius belongs to Agorophiidae'
  • 'Agriocetus belongs to Patriocetidae'
  • 'Anoplonassa belongs to Ziphiidae'
  • 'Archaeoceti belongs to Cetacea'
  • 'Archaeosiren belongs to Miosireninae'
  • 'Argyrocetus belongs to Acrodelphidae'
  • 'Aulocetus belongs to Balaenopteridae'
  • 'Balaena belongs to Balaenidae'
  • 'Balaenopteridae belongs to Mystacoceti'
  • 'Balanadae is corrected as Balaenidae and belongs to Mystacoceti'
  • 'Barytheriidae belongs to Proboscidea'
  • 'Barytherium belongs to Barytheriidae'
  • 'Cetacea belongs to Mammalia'
  • 'Cetotherium belongs to Balaenopteridae'
  • 'Choneziphius belongs to Ziphiidae'
  • 'Cyrtodelphis belongs to Acrodelphidae'
  • 'Deinotheriidae is corrected as Dinotheriidae and belongs to Proboscidea'
  • 'Deinotherium is corrected as Dinotherium and belongs to Dinotheriidae'
  • 'Delphinoceti belongs to Cetacea'
  • 'Delphinodon belongs to Delphinoceti'
  • 'Delphinus belongs to Delphinoceti'
  • 'Desmostylidae belongs to Proboscidea'
  • 'Elephantidae belongs to Proboscidea'
  • 'Eocetus belongs to Zeuglodontidae'
  • 'Eosiren belongs to Halitheriinae'
  • 'Eurhinodelphidae belongs to Squaloceti'
  • 'Eurhinodelphis belongs to Eurhinodelphidae'
  • 'Felsinotherium belongs to Halitheriinae'
  • 'Halicore belongs to Halicorinae'
  • 'Halicoridae belongs to Sirenia'
  • 'Halicorinae belongs to Halicoridae'
  • 'Halitheriidae was reranked as the family Halitheriinae and belongs to Halicoridae'
  • 'Halitherium (Prototherium) was reranked as Prototherium and belongs to Halitheriinae'
  • 'Kekenodon belongs to Zeuglodontidae'
  • 'Manatherium belongs to Manatidae'
  • 'Manatidae belongs to Sirenia'
  • 'Manatus belongs to Manatidae'
  • 'Mastodon belongs to Elephantidae'
  • 'Mesoplodon belongs to Ziphiidae'
  • 'Metaxytherium belongs to Halitheriinae'
  • 'Microzeuglodon belongs to Microzeuglodoptidae'
  • 'Microzeuglodontidae [misspelled as Microzeuglodoptidae] belongs to Archaeoceti'
  • 'Miosiren belongs to Miosireninae'
  • 'Miosireninae belongs to Halicoridae'
  • 'Mioziphius belongs to Ziphiidae'
  • 'Moeritheriidae belongs to Proboscidea'
  • 'Moeritherium belongs to Moeritheriidae'
  • 'Mystacoceti belongs to Cetacea'
  • 'Neosqualodon belongs to Squalodontidae'
  • 'Pachyacanthus belongs to Balaenopteridae'
  • 'Palaeomastodon belongs to Palaeomastodontidae'
  • 'Palaeomastodontidae belongs to Proboscidea'
  • 'Palaeophocaena belongs to Delphinoceti'
  • 'Palaeoziphius belongs to Ziphiidae'
  • 'Patriocetidae belongs to Archaeoceti'
  • 'Patriocetus belongs to Patriocetidae'
  • 'Physeter belongs to Physeteridae'
  • 'Physeteridae belongs to Squaloceti'
  • 'Physeterula belongs to Physeteridae'
  • 'Pinnipedia belongs to Mammalia'
  • 'Pithanodelphis belongs to Delphinoceti'
  • 'Placoziphius belongs to Physeteridae'
  • 'Plagiosauridae belongs to Rhachitomi'
  • 'Plesiocetus belongs to Balaenopteridae'
  • 'Prophyseter belongs to Physeteridae'
  • 'Prorastomus belongs to Manatidae'
  • 'Prosqualodon belongs to Agorophiidae'
  • 'Protocetus belongs to Zeuglodontidae'
  • 'Protophocaena belongs to Delphinoceti'
  • 'Protosiren belongs to Miosireninae'
  • 'Prozeuglodon belongs to Zeuglodontidae'
  • 'Rhytina belongs to Halicorinae'
  • 'Rytiodus is corrected as Rhytiodus and belongs to Halitheriinae'
  • 'Saurodelphis belongs to Acrodelphidae'
  • 'Scaldicetus belongs to Physeteridae'
  • 'Sirenia was reranked as a order and belongs to Mammalia'
  • 'Squaloceti belongs to Cetacea'
  • 'Squalodon belongs to Squalodontidae'
  • 'Squalodontidae belongs to Squaloceti'
  • 'Stegodon belongs to Elephantidae'
  • 'Zeuglodon belongs to Zeuglodontidae'
  • 'Zeuglodontidae belongs to Archaeoceti'
  • 'Ziphiidae was reranked as the tribe Ziphiina and belongs to Squaloceti'