Opinions from M. Kretzoi 1941

  • 'Archaeosiren belongs to Eotherioidinae'
  • 'Cheirotherium is replaced by Halysiren'
  • 'Cornwallius belongs to Desmostylidae'
  • 'Crassitherium belongs to Prototheriidae'
  • 'Desmostylidae belongs to Desmostyliformes'
  • 'Desmostyliformes belongs to Sirenia'
  • 'Desmostylus belongs to Desmostylidae'
  • 'Dioplotherium belongs to Prototheriidae'
  • 'Dugongidae belongs to Trichechiformes'
  • 'Dugonginae belongs to Dugongidae'
  • 'Eosiren belongs to Eotherioidinae'
  • 'Eotherioidinae belongs to Dugongidae'
  • 'Eotheroides [misspelled as Eotherioides] belongs to Eotherioidinae'
  • 'Felsinotherium is replaced by Halysiren'
  • 'Halianassa belongs to Prototheriidae'
  • 'Halitheriidae belongs to Trichechiformes'
  • 'Halitherium belongs to Halitheriidae'
  • 'Halitherium (Prototherium) was reranked as Prototherium and belongs to Prototheriidae'
  • 'Hesperosiren belongs to Hydrodamalidae'
  • 'Hydrodamalidae belongs to Trichechiformes'
  • 'Hydrodamalis belongs to Hydrodamalidae'
  • 'Manatherium belongs to Eotherioidinae'
  • 'Masrisiren belongs to Metaxytheriinae'
  • 'Metaxytheriinae belongs to Dugongidae'
  • 'Metaxytherium belongs to Metaxytheriinae'
  • 'Miosiren belongs to Miosireninae'
  • 'Neodesmostylus belongs to Desmostylidae'
  • 'Pachyacanthus belongs to Prototheriidae'
  • 'Prohalicore belongs to Prototheriidae'
  • 'Prorastomidae belongs to Trichechiformes'
  • 'Prorastomus belongs to Prorastomidae'
  • 'Protosiren belongs to Halitheriidae'
  • 'Prototheriidae belongs to Trichechiformes'
  • 'Ribodon belongs to Trichechidae'
  • 'Rytiodontinae belongs to Dugongidae'
  • 'Rytiodus belongs to Rytiodontinae'
  • 'Sirenavus belongs to Prorastomidae'
  • 'Thalattosiren belongs to Eotherioidinae'
  • 'Trichechiformes belongs to Sirenia'
  • 'Trichechus belongs to Trichechidae'
  • 'Trichecidae is corrected as Trichechidae and belongs to Trichechiformes'