Opinions from L. G. Barnes 1977
- 'Acrodelphis bakersfieldensis is recombined as Argyrocetus bakersfieldensis'
- 'Aglaocetus belongs to Cetotheriidae'
- 'Allodelphis belongs to Platanistidae'
- 'Allodelphis pratti belongs to Allodelphis'
- 'Argyrocetus belongs to Eurhinodelphidae'
- 'Argyrocetus joaquinensis belongs to Argyrocetus'
- 'Aulophyseter belongs to Physeteridae'
- 'Aulophyseter morricei belongs to Aulophyseter'
- 'Balaena glacialis is recombined as Eubalaena glacialis'
- 'Balaena musculus is recombined as Balaenoptera musculus'
- 'Balaena novaeangliae is recombined as Megaptera novaeangliae'
- 'Balaena physalus is recombined as Balaenoptera physalus'
- 'Balaenoptera belongs to Balaenopteridae'
- 'Balaenoptera acutorostrata belongs to Balaenoptera'
- 'Balaenoptera borealis belongs to Balaenoptera'
- 'Balaenoptera edeni belongs to Balaenoptera'
- 'Balaenoptera robusta is recombined as Eschrichtius robustus'
- 'Balaenula belongs to Balaenidae'
- 'Berardius belongs to Ziphiidae'
- 'Berardius bairdii belongs to Berardius'
- 'Cetotherium belongs to Cetotheriidae'
- 'Cetotherium furlongi belongs to Cetotherium'
- 'Delphinapterus borealis is recombined as Lissodelphis borealis'
- 'Delphinavus belongs to Odontoceti'
- 'Delphinavus newhalli belongs to Delphinavus'
- 'Delphinus belongs to Delphinidae'
- 'Delphinus bredanensis is recombined as Steno bredanensis'
- 'Delphinus delphis belongs to Delphinus'
- 'Delphinus densirostris is recombined as Mesoplodon densirostris'
- 'Delphinus griseus is recombined as Grampus griseus'
- 'Delphinus occiduus is recombined as Lonchodelphis occiduus'
- 'Delphinus orca is recombined as Orcinus orca'
- 'Delphinus phocoena is recombined as Phocoena phocoena'
- 'Doliodelphis is a subjective synonym of Argyrocetus'
- 'Doliodelphis littlei is a subjective synonym of Argyrocetus joaquinensis'
- 'Eubalaena belongs to Balaenidae'
- 'Eurhinodelphis extensus is a subjective synonym of Argyrocetus joaquinensis'
- 'Globicephala belongs to Delphinidae'
- 'Globicephalus macrorhynchus is recombined as Globicephala macrorhynchus'
- 'Grypolithax belongs to Odontoceti'
- 'Grypolithax obscura belongs to Grypolithax'
- 'Grypolithax pavida belongs to Grypolithax'
- 'Herpetocetus belongs to Cetotheriidae'
- 'Hesperocetus belongs to Odontoceti'
- 'Hesperocetus californicus belongs to Hesperocetus'
- 'Idiophyseter belongs to Physeteridae'
- 'Idiophyseter merriami belongs to Idiophyseter'
- 'Kampholophos belongs to Odontoceti'
- 'Kampholophos serrulus belongs to Kampholophos'
- 'Kogia belongs to Physeteridae'
- 'Lagenorhynchus obliquidens belongs to Lagenorhynchus'
- 'Lamprolithax belongs to Odontoceti'
- 'Lamprolithax annectens belongs to Lamprolithax'
- 'Lamprolithax simulans belongs to Lamprolithax'
- 'Liolithax belongs to Odontoceti'
- 'Liolithax kernensis belongs to Liolithax'
- 'Lissodelphis belongs to Delphinidae'
- 'Lonchodelphis belongs to Odontoceti'
- 'Lophocetus belongs to Odontoceti'
- 'Loxolithax belongs to Phocoenidae'
- 'Loxolithax sinuosa belongs to Loxolithax'
- 'Macrodelphinus belongs to Eurhinodelphidae'
- 'Macrodelphinus kelloggi belongs to Macrodelphinus'
- 'Megaptera belongs to Balaenopteridae'
- 'Megaptera (Eschrichtius) was reranked as Eschrichtius and belongs to Eschrichtiidae'
- 'Megaptera miocaena belongs to Megaptera'
- 'Mesoplodon belongs to Ziphiidae'
- 'Mesoplodon carlhubbsi belongs to Mesoplodon'
- 'Mesoplodon stejnegeri belongs to Mesoplodon'
- 'Miodelphis belongs to Odontoceti'
- 'Miodelphis californicus belongs to Miodelphis'
- 'Mixocetus belongs to Cetotheriidae'
- 'Mixocetus elysius belongs to Mixocetus'
- 'Nannocetus belongs to Mysticeti'
- 'Nannocetus eremus belongs to Nannocetus'
- 'Nannolithax belongs to Odontoceti'
- 'Nannolithax gracilis belongs to Nannolithax'
- 'Oedolithax belongs to Odontoceti'
- 'Oedolithax mira belongs to Oedolithax'
- 'Ontocetus belongs to Physeteridae'
- 'Ontocetus oxymycterus belongs to Ontocetus'
- 'Parietobalaena belongs to Cetotheriidae'
- 'Parietobalaena securis belongs to Parietobalaena'
- 'Peripolocetus belongs to Cetotheriidae'
- 'Peripolocetus vexillifer belongs to Peripolocetus'
- 'Phocaena is corrected as Phocoena and belongs to Phocoenidae'
- 'Phocaena crassidens is recombined as Pseudorca crassidens'
- 'Phocoena dalli is recombined as Phocoenoides dalli'
- 'Phocoena sinus belongs to Phocoena'
- 'Phocoenoides belongs to Phocoenidae'
- 'Physeter belongs to Physeteridae'
- 'Physeter (Euphysetes) simus is recombined as Kogia simus'
- 'Physeter breviceps is recombined as Kogia breviceps'
- 'Physeter catodon belongs to Physeter'
- 'Pithanodelphis belongs to Odontoceti'
- 'Platylithax belongs to Odontoceti'
- 'Platylithax robusta belongs to Platylithax'
- 'Plesiocetus belongs to Balaenopteridae'
- 'Praekogia belongs to Physeteridae'
- 'Pseudorca belongs to Delphinidae'
- 'Scaldicetus belongs to Physeteridae'
- 'Squalodon errabundus is an invalid subgroup of Platanistidae'
- 'Steno belongs to Delphinidae'
- 'Steno (Stenella) was reranked as Stenella and belongs to Delphinidae'
- 'Tiphyocetus belongs to Cetotheriidae'
- 'Tiphyocetus temblorensis belongs to Tiphyocetus'
- 'Tursiops belongs to Delphinidae'
- 'Tursiops gillii is corrected as Tursiops gilli and belongs to Tursiops'
- 'Ziphius belongs to Ziphiidae'
- 'Ziphius cavirostris belongs to Ziphius'